Contao discloses sensitive information in the front end search index
The advisory, in context
Impact
Protected content elements that are rendered as fragments are indexed and become publicly available in the front end search.
Patches
Update to Contao 4.13.56, 5.3.38 or 5.6.1.
Workarounds
Disable the front end search.
For more information
If you have any questions or comments about this advisory, open an issue in contao/contao.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 4.9.14 before 4.13.56
Fixed in 4.13.56
123 explicitly affected versions
4.10.0, 4.10.0-RC1, 4.10.0-RC2, 4.10.0-RC3, 4.10.0-RC4, 4.10.1, 4.10.2, 4.10.3, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.11.0, 4.11.0-RC1, 4.11.0-RC2, 4.11.1, 4.11.2, 4.11.3, 4.11.4, 4.11.5, 4.11.6, 4.11.7, 4.11.8, 4.11.9, 4.12.0, 4.12.0-RC1, 4.12.0-RC2, 4.12.0-RC3, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 4.12.5, 4.12.6, 4.12.7, 4.13.0, 4.13.0-RC1, 4.13.0-RC2, 4.13.0-RC3, 4.13.1, 4.13.10, 4.13.11, 4.13.12, 4.13.13, 4.13.14, 4.13.15, 4.13.16, 4.13.17, 4.13.18, 4.13.19, 4.13.2, 4.13.20, 4.13.21, 4.13.22, 4.13.23, 4.13.24, 4.13.25, 4.13.26, 4.13.27, 4.13.28, 4.13.29, 4.13.3, 4.13.30, 4.13.31, 4.13.32, 4.13.33, 4.13.34, 4.13.35, 4.13.36, 4.13.37, 4.13.38, 4.13.39, 4.13.4, 4.13.40, 4.13.41, 4.13.42, 4.13.43, 4.13.44, 4.13.45, 4.13.46, 4.13.47, 4.13.48, 4.13.49, 4.13.5, 4.13.50, 4.13.51, 4.13.52, 4.13.53, 4.13.54, 4.13.55, 4.13.6, 4.13.7, 4.13.8, 4.13.9, 4.9.14, 4.9.15, 4.9.16, 4.9.17, 4.9.18, 4.9.19, 4.9.20, 4.9.21, 4.9.22, 4.9.23, 4.9.24, 4.9.25, 4.9.26, 4.9.27, 4.9.28, 4.9.29, 4.9.30, 4.9.31, 4.9.32, 4.9.33, 4.9.34, 4.9.35, 4.9.36, 4.9.37, 4.9.38, 4.9.39, 4.9.40, 4.9.41, 4.9.42
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.9.14"
},
{
"fixed": "4.13.56"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.10.0",
"4.10.0-RC1",
"4.10.0-RC2",
"4.10.0-RC3",
"4.10.0-RC4",
"4.10.1",
"4.10.2",
"4.10.3",
"4.10.4",
"4.10.5",
"4.10.6",
"4.10.7",
"4.11.0",
"4.11.0-RC1",
"4.11.0-RC2",
"4.11.1",
"4.11.2",
"4.11.3",
"4.11.4",
"4.11.5",
"4.11.6",
"4.11.7",
"4.11.8",
"4.11.9",
"4.12.0",
"4.12.0-RC1",
"4.12.0-RC2",
"4.12.0-RC3",
"4.12.1",
"4.12.2",
"4.12.3",
"4.12.4",
"4.12.5",
"4.12.6",
"4.12.7",
"4.13.0",
"4.13.0-RC1",
"4.13.0-RC2",
"4.13.0-RC3",
"4.13.1",
"4.13.10",
"4.13.11",
"4.13.12",
"4.13.13",
"4.13.14",
"4.13.15",
"4.13.16",
"4.13.17",
"4.13.18",
"4.13.19",
"4.13.2",
"4.13.20",
"4.13.21",
"4.13.22",
"4.13.23",
"4.13.24",
"4.13.25",
"4.13.26",
"4.13.27",
"4.13.28",
"4.13.29",
"4.13.3",
"4.13.30",
"4.13.31",
"4.13.32",
"4.13.33",
"4.13.34",
"4.13.35",
"4.13.36",
"4.13.37",
"4.13.38",
"4.13.39",
"4.13.4",
"4.13.40",
"4.13.41",
"4.13.42",
"4.13.43",
"4.13.44",
"4.13.45",
"4.13.46",
"4.13.47",
"4.13.48",
"4.13.49",
"4.13.5",
"4.13.50",
"4.13.51",
"4.13.52",
"4.13.53",
"4.13.54",
"4.13.55",
"4.13.6",
"4.13.7",
"4.13.8",
"4.13.9",
"4.9.14",
"4.9.15",
"4.9.16",
"4.9.17",
"4.9.18",
"4.9.19",
"4.9.20",
"4.9.21",
"4.9.22",
"4.9.23",
"4.9.24",
"4.9.25",
"4.9.26",
"4.9.27",
"4.9.28",
"4.9.29",
"4.9.30",
"4.9.31",
"4.9.32",
"4.9.33",
"4.9.34",
"4.9.35",
"4.9.36",
"4.9.37",
"4.9.38",
"4.9.39",
"4.9.40",
"4.9.41",
"4.9.42"
]
}From 4.9.14 before 4.13.56
Fixed in 4.13.56
123 explicitly affected versions
4.10.0, 4.10.0-RC1, 4.10.0-RC2, 4.10.0-RC3, 4.10.0-RC4, 4.10.1, 4.10.2, 4.10.3, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.11.0, 4.11.0-RC1, 4.11.0-RC2, 4.11.1, 4.11.2, 4.11.3, 4.11.4, 4.11.5, 4.11.6, 4.11.7, 4.11.8, 4.11.9, 4.12.0, 4.12.0-RC1, 4.12.0-RC2, 4.12.0-RC3, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 4.12.5, 4.12.6, 4.12.7, 4.13.0, 4.13.0-RC1, 4.13.0-RC2, 4.13.0-RC3, 4.13.1, 4.13.10, 4.13.11, 4.13.12, 4.13.13, 4.13.14, 4.13.15, 4.13.16, 4.13.17, 4.13.18, 4.13.19, 4.13.2, 4.13.20, 4.13.21, 4.13.22, 4.13.23, 4.13.24, 4.13.25, 4.13.26, 4.13.27, 4.13.28, 4.13.29, 4.13.3, 4.13.30, 4.13.31, 4.13.32, 4.13.33, 4.13.34, 4.13.35, 4.13.36, 4.13.37, 4.13.38, 4.13.39, 4.13.4, 4.13.40, 4.13.41, 4.13.42, 4.13.43, 4.13.44, 4.13.45, 4.13.46, 4.13.47, 4.13.48, 4.13.49, 4.13.5, 4.13.50, 4.13.51, 4.13.52, 4.13.53, 4.13.54, 4.13.55, 4.13.6, 4.13.7, 4.13.8, 4.13.9, 4.9.14, 4.9.15, 4.9.16, 4.9.17, 4.9.18, 4.9.19, 4.9.20, 4.9.21, 4.9.22, 4.9.23, 4.9.24, 4.9.25, 4.9.26, 4.9.27, 4.9.28, 4.9.29, 4.9.30, 4.9.31, 4.9.32, 4.9.33, 4.9.34, 4.9.35, 4.9.36, 4.9.37, 4.9.38, 4.9.39, 4.9.40, 4.9.41, 4.9.42
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.9.14"
},
{
"fixed": "4.13.56"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.10.0",
"4.10.0-RC1",
"4.10.0-RC2",
"4.10.0-RC3",
"4.10.0-RC4",
"4.10.1",
"4.10.2",
"4.10.3",
"4.10.4",
"4.10.5",
"4.10.6",
"4.10.7",
"4.11.0",
"4.11.0-RC1",
"4.11.0-RC2",
"4.11.1",
"4.11.2",
"4.11.3",
"4.11.4",
"4.11.5",
"4.11.6",
"4.11.7",
"4.11.8",
"4.11.9",
"4.12.0",
"4.12.0-RC1",
"4.12.0-RC2",
"4.12.0-RC3",
"4.12.1",
"4.12.2",
"4.12.3",
"4.12.4",
"4.12.5",
"4.12.6",
"4.12.7",
"4.13.0",
"4.13.0-RC1",
"4.13.0-RC2",
"4.13.0-RC3",
"4.13.1",
"4.13.10",
"4.13.11",
"4.13.12",
"4.13.13",
"4.13.14",
"4.13.15",
"4.13.16",
"4.13.17",
"4.13.18",
"4.13.19",
"4.13.2",
"4.13.20",
"4.13.21",
"4.13.22",
"4.13.23",
"4.13.24",
"4.13.25",
"4.13.26",
"4.13.27",
"4.13.28",
"4.13.29",
"4.13.3",
"4.13.30",
"4.13.31",
"4.13.32",
"4.13.33",
"4.13.34",
"4.13.35",
"4.13.36",
"4.13.37",
"4.13.38",
"4.13.39",
"4.13.4",
"4.13.40",
"4.13.41",
"4.13.42",
"4.13.43",
"4.13.44",
"4.13.45",
"4.13.46",
"4.13.47",
"4.13.48",
"4.13.49",
"4.13.5",
"4.13.50",
"4.13.51",
"4.13.52",
"4.13.53",
"4.13.54",
"4.13.55",
"4.13.6",
"4.13.7",
"4.13.8",
"4.13.9",
"4.9.14",
"4.9.15",
"4.9.16",
"4.9.17",
"4.9.18",
"4.9.19",
"4.9.20",
"4.9.21",
"4.9.22",
"4.9.23",
"4.9.24",
"4.9.25",
"4.9.26",
"4.9.27",
"4.9.28",
"4.9.29",
"4.9.30",
"4.9.31",
"4.9.32",
"4.9.33",
"4.9.34",
"4.9.35",
"4.9.36",
"4.9.37",
"4.9.38",
"4.9.39",
"4.9.40",
"4.9.41",
"4.9.42"
]
}From 5.0.0-RC1 before 5.3.38
Fixed in 5.3.38
89 explicitly affected versions
5.0.0, 5.0.0-RC1, 5.0.0-RC2, 5.0.0-RC3, 5.0.0-RC4, 5.0.1, 5.0.10, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.1.0, 5.1.0-RC1, 5.1.0-RC2, 5.1.0-RC3, 5.1.1, 5.1.10, 5.1.11, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.2.0, 5.2.0-RC1, 5.2.0-RC2, 5.2.0-RC3, 5.2.0-RC4, 5.2.0-RC5, 5.2.0-RC6, 5.2.1, 5.2.10, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9, 5.3.0, 5.3.0-RC1, 5.3.0-RC2, 5.3.0-RC3, 5.3.0-RC4, 5.3.1, 5.3.10, 5.3.11, 5.3.12, 5.3.13, 5.3.14, 5.3.15, 5.3.16, 5.3.17, 5.3.18, 5.3.19, 5.3.2, 5.3.20, 5.3.21, 5.3.22, 5.3.23, 5.3.24, 5.3.25, 5.3.26, 5.3.27, 5.3.28, 5.3.29, 5.3.3, 5.3.30, 5.3.31, 5.3.32, 5.3.33, 5.3.34, 5.3.35, 5.3.36, 5.3.37, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 5.3.8, 5.3.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.0.0-RC1"
},
{
"fixed": "5.3.38"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.0.0",
"5.0.0-RC1",
"5.0.0-RC2",
"5.0.0-RC3",
"5.0.0-RC4",
"5.0.1",
"5.0.10",
"5.0.2",
"5.0.3",
"5.0.4",
"5.0.5",
"5.0.6",
"5.0.7",
"5.0.8",
"5.0.9",
"5.1.0",
"5.1.0-RC1",
"5.1.0-RC2",
"5.1.0-RC3",
"5.1.1",
"5.1.10",
"5.1.11",
"5.1.2",
"5.1.3",
"5.1.4",
"5.1.5",
"5.1.6",
"5.1.7",
"5.1.8",
"5.1.9",
"5.2.0",
"5.2.0-RC1",
"5.2.0-RC2",
"5.2.0-RC3",
"5.2.0-RC4",
"5.2.0-RC5",
"5.2.0-RC6",
"5.2.1",
"5.2.10",
"5.2.2",
"5.2.3",
"5.2.4",
"5.2.5",
"5.2.6",
"5.2.7",
"5.2.8",
"5.2.9",
"5.3.0",
"5.3.0-RC1",
"5.3.0-RC2",
"5.3.0-RC3",
"5.3.0-RC4",
"5.3.1",
"5.3.10",
"5.3.11",
"5.3.12",
"5.3.13",
"5.3.14",
"5.3.15",
"5.3.16",
"5.3.17",
"5.3.18",
"5.3.19",
"5.3.2",
"5.3.20",
"5.3.21",
"5.3.22",
"5.3.23",
"5.3.24",
"5.3.25",
"5.3.26",
"5.3.27",
"5.3.28",
"5.3.29",
"5.3.3",
"5.3.30",
"5.3.31",
"5.3.32",
"5.3.33",
"5.3.34",
"5.3.35",
"5.3.36",
"5.3.37",
"5.3.4",
"5.3.5",
"5.3.6",
"5.3.7",
"5.3.8",
"5.3.9"
]
}From 5.4.0-RC1 before 5.6.1
Fixed in 5.6.1
44 explicitly affected versions
5.4.0, 5.4.0-RC1, 5.4.0-RC2, 5.4.0-RC3, 5.4.0-RC4, 5.4.1, 5.4.10, 5.4.11, 5.4.12, 5.4.13, 5.4.14, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.6, 5.4.7, 5.4.8, 5.4.9, 5.5.0, 5.5.0-RC1, 5.5.0-RC2, 5.5.0-RC3, 5.5.0-RC4, 5.5.1, 5.5.10, 5.5.11, 5.5.12, 5.5.13, 5.5.14, 5.5.15, 5.5.16, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.5.6, 5.5.7, 5.5.8, 5.5.9, 5.6.0, 5.6.0-RC1, 5.6.0-RC2, 5.6.0-RC3
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.4.0-RC1"
},
{
"fixed": "5.6.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.4.0",
"5.4.0-RC1",
"5.4.0-RC2",
"5.4.0-RC3",
"5.4.0-RC4",
"5.4.1",
"5.4.10",
"5.4.11",
"5.4.12",
"5.4.13",
"5.4.14",
"5.4.2",
"5.4.3",
"5.4.4",
"5.4.5",
"5.4.6",
"5.4.7",
"5.4.8",
"5.4.9",
"5.5.0",
"5.5.0-RC1",
"5.5.0-RC2",
"5.5.0-RC3",
"5.5.0-RC4",
"5.5.1",
"5.5.10",
"5.5.11",
"5.5.12",
"5.5.13",
"5.5.14",
"5.5.15",
"5.5.16",
"5.5.2",
"5.5.3",
"5.5.4",
"5.5.5",
"5.5.6",
"5.5.7",
"5.5.8",
"5.5.9",
"5.6.0",
"5.6.0-RC1",
"5.6.0-RC2",
"5.6.0-RC3"
]
}From 5.0.0-RC1 before 5.3.38
Fixed in 5.3.38
89 explicitly affected versions
5.0.0, 5.0.0-RC1, 5.0.0-RC2, 5.0.0-RC3, 5.0.0-RC4, 5.0.1, 5.0.10, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.1.0, 5.1.0-RC1, 5.1.0-RC2, 5.1.0-RC3, 5.1.1, 5.1.10, 5.1.11, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.2.0, 5.2.0-RC1, 5.2.0-RC2, 5.2.0-RC3, 5.2.0-RC4, 5.2.0-RC5, 5.2.0-RC6, 5.2.1, 5.2.10, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9, 5.3.0, 5.3.0-RC1, 5.3.0-RC2, 5.3.0-RC3, 5.3.0-RC4, 5.3.1, 5.3.10, 5.3.11, 5.3.12, 5.3.13, 5.3.14, 5.3.15, 5.3.16, 5.3.17, 5.3.18, 5.3.19, 5.3.2, 5.3.20, 5.3.21, 5.3.22, 5.3.23, 5.3.24, 5.3.25, 5.3.26, 5.3.27, 5.3.28, 5.3.29, 5.3.3, 5.3.30, 5.3.31, 5.3.32, 5.3.33, 5.3.34, 5.3.35, 5.3.36, 5.3.37, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 5.3.8, 5.3.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.0.0-RC1"
},
{
"fixed": "5.3.38"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.0.0",
"5.0.0-RC1",
"5.0.0-RC2",
"5.0.0-RC3",
"5.0.0-RC4",
"5.0.1",
"5.0.10",
"5.0.2",
"5.0.3",
"5.0.4",
"5.0.5",
"5.0.6",
"5.0.7",
"5.0.8",
"5.0.9",
"5.1.0",
"5.1.0-RC1",
"5.1.0-RC2",
"5.1.0-RC3",
"5.1.1",
"5.1.10",
"5.1.11",
"5.1.2",
"5.1.3",
"5.1.4",
"5.1.5",
"5.1.6",
"5.1.7",
"5.1.8",
"5.1.9",
"5.2.0",
"5.2.0-RC1",
"5.2.0-RC2",
"5.2.0-RC3",
"5.2.0-RC4",
"5.2.0-RC5",
"5.2.0-RC6",
"5.2.1",
"5.2.10",
"5.2.2",
"5.2.3",
"5.2.4",
"5.2.5",
"5.2.6",
"5.2.7",
"5.2.8",
"5.2.9",
"5.3.0",
"5.3.0-RC1",
"5.3.0-RC2",
"5.3.0-RC3",
"5.3.0-RC4",
"5.3.1",
"5.3.10",
"5.3.11",
"5.3.12",
"5.3.13",
"5.3.14",
"5.3.15",
"5.3.16",
"5.3.17",
"5.3.18",
"5.3.19",
"5.3.2",
"5.3.20",
"5.3.21",
"5.3.22",
"5.3.23",
"5.3.24",
"5.3.25",
"5.3.26",
"5.3.27",
"5.3.28",
"5.3.29",
"5.3.3",
"5.3.30",
"5.3.31",
"5.3.32",
"5.3.33",
"5.3.34",
"5.3.35",
"5.3.36",
"5.3.37",
"5.3.4",
"5.3.5",
"5.3.6",
"5.3.7",
"5.3.8",
"5.3.9"
]
}From 5.4.0-RC1 before 5.6.1
Fixed in 5.6.1
44 explicitly affected versions
5.4.0, 5.4.0-RC1, 5.4.0-RC2, 5.4.0-RC3, 5.4.0-RC4, 5.4.1, 5.4.10, 5.4.11, 5.4.12, 5.4.13, 5.4.14, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.6, 5.4.7, 5.4.8, 5.4.9, 5.5.0, 5.5.0-RC1, 5.5.0-RC2, 5.5.0-RC3, 5.5.0-RC4, 5.5.1, 5.5.10, 5.5.11, 5.5.12, 5.5.13, 5.5.14, 5.5.15, 5.5.16, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.5.6, 5.5.7, 5.5.8, 5.5.9, 5.6.0, 5.6.0-RC1, 5.6.0-RC2, 5.6.0-RC3
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.4.0-RC1"
},
{
"fixed": "5.6.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.4.0",
"5.4.0-RC1",
"5.4.0-RC2",
"5.4.0-RC3",
"5.4.0-RC4",
"5.4.1",
"5.4.10",
"5.4.11",
"5.4.12",
"5.4.13",
"5.4.14",
"5.4.2",
"5.4.3",
"5.4.4",
"5.4.5",
"5.4.6",
"5.4.7",
"5.4.8",
"5.4.9",
"5.5.0",
"5.5.0-RC1",
"5.5.0-RC2",
"5.5.0-RC3",
"5.5.0-RC4",
"5.5.1",
"5.5.10",
"5.5.11",
"5.5.12",
"5.5.13",
"5.5.14",
"5.5.15",
"5.5.16",
"5.5.2",
"5.5.3",
"5.5.4",
"5.5.5",
"5.5.6",
"5.5.7",
"5.5.8",
"5.5.9",
"5.6.0",
"5.6.0-RC1",
"5.6.0-RC2",
"5.6.0-RC3"
]
}References
- https://github.com/contao/contao/security/advisories/GHSA-2xmj-8wmq-7475
- https://nvd.nist.gov/vuln/detail/CVE-2025-57756
- https://github.com/contao/contao/commit/a03976c459b6f3985a28f6488b82a76ffb6c0514
- https://contao.org/en/security-advisories/information-disclosure-in-the-front-end-search-index
- https://github.com/contao/contao