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Your agent needs remote MCP support and access to https://cve.new/mcp.

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GIVE YOUR AGENT THE EVIDENCE

Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

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GHSA-53vf-c43h-j2x9medium4.9

Craft CMS vulnerable to potential information disclosure via unchecked asset relocation

Check your stack

The advisory, in context

Authenticated users on a Craft installation could potentially expose sensitive assets via their user profile photo via maliciously crafted requests.

Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.

Resources:

https://github.com/craftcms/cms/commit/4bcb0db554e273b66ce3b75263a13414c2368fc9

https://github.com/craftcms/cms/commit/4bcb0db554e273b66ce3b75263a13414c2368fc9

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.

craftcms/cms Packagist
Ecosystem versions

From 5.0.0-RC1 before 5.8.21

Fixed in 5.8.21

142 explicitly affected versions

5.0.0, 5.0.0-RC1, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.1.0, 5.1.1, 5.1.10, 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-beta.1, 5.2.0-beta.2, 5.2.0-beta.3, 5.2.0-beta.4, 5.2.0-beta.5, 5.2.0-beta.6, 5.2.1, 5.2.10, 5.2.2, 5.2.3, 5.2.4, 5.2.4.1, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9, 5.3.0, 5.3.0-beta.1, 5.3.0-beta.2, 5.3.0.1, 5.3.0.2, 5.3.0.3, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.4.0, 5.4.0.1, 5.4.1, 5.4.10, 5.4.10.1, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.5.1, 5.4.6, 5.4.7, 5.4.7.1, 5.4.8, 5.4.9, 5.5.0, 5.5.0.1, 5.5.1, 5.5.1.1, 5.5.10, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.5.6, 5.5.6.1, 5.5.7, 5.5.8, 5.5.9, 5.6.0, 5.6.0.1, 5.6.0.2, 5.6.1, 5.6.10, 5.6.10.1, 5.6.10.2, 5.6.11, 5.6.12, 5.6.13, 5.6.14, 5.6.15, 5.6.16, 5.6.17, 5.6.2, 5.6.3, 5.6.4, 5.6.5, 5.6.5.1, 5.6.6, 5.6.7, 5.6.8, 5.6.9, 5.6.9.1, 5.7.0, 5.7.0-beta.1, 5.7.0-beta.2, 5.7.1, 5.7.1.1, 5.7.10, 5.7.11, 5.7.2, 5.7.3, 5.7.4, 5.7.5, 5.7.6, 5.7.7, 5.7.8, 5.7.8.1, 5.7.8.2, 5.7.9, 5.8.0, 5.8.1, 5.8.10, 5.8.11, 5.8.12, 5.8.13, 5.8.13.1, 5.8.13.2, 5.8.14, 5.8.15, 5.8.16, 5.8.17, 5.8.18, 5.8.19, 5.8.2, 5.8.20, 5.8.3, 5.8.4, 5.8.5, 5.8.6, 5.8.7, 5.8.8, 5.8.9

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "5.0.0-RC1"
        },
        {
          "fixed": "5.8.21"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "5.0.0",
    "5.0.0-RC1",
    "5.0.1",
    "5.0.2",
    "5.0.3",
    "5.0.4",
    "5.0.5",
    "5.0.6",
    "5.1.0",
    "5.1.1",
    "5.1.10",
    "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-beta.1",
    "5.2.0-beta.2",
    "5.2.0-beta.3",
    "5.2.0-beta.4",
    "5.2.0-beta.5",
    "5.2.0-beta.6",
    "5.2.1",
    "5.2.10",
    "5.2.2",
    "5.2.3",
    "5.2.4",
    "5.2.4.1",
    "5.2.5",
    "5.2.6",
    "5.2.7",
    "5.2.8",
    "5.2.9",
    "5.3.0",
    "5.3.0-beta.1",
    "5.3.0-beta.2",
    "5.3.0.1",
    "5.3.0.2",
    "5.3.0.3",
    "5.3.1",
    "5.3.2",
    "5.3.3",
    "5.3.4",
    "5.3.5",
    "5.3.6",
    "5.4.0",
    "5.4.0.1",
    "5.4.1",
    "5.4.10",
    "5.4.10.1",
    "5.4.2",
    "5.4.3",
    "5.4.4",
    "5.4.5",
    "5.4.5.1",
    "5.4.6",
    "5.4.7",
    "5.4.7.1",
    "5.4.8",
    "5.4.9",
    "5.5.0",
    "5.5.0.1",
    "5.5.1",
    "5.5.1.1",
    "5.5.10",
    "5.5.2",
    "5.5.3",
    "5.5.4",
    "5.5.5",
    "5.5.6",
    "5.5.6.1",
    "5.5.7",
    "5.5.8",
    "5.5.9",
    "5.6.0",
    "5.6.0.1",
    "5.6.0.2",
    "5.6.1",
    "5.6.10",
    "5.6.10.1",
    "5.6.10.2",
    "5.6.11",
    "5.6.12",
    "5.6.13",
    "5.6.14",
    "5.6.15",
    "5.6.16",
    "5.6.17",
    "5.6.2",
    "5.6.3",
    "5.6.4",
    "5.6.5",
    "5.6.5.1",
    "5.6.6",
    "5.6.7",
    "5.6.8",
    "5.6.9",
    "5.6.9.1",
    "5.7.0",
    "5.7.0-beta.1",
    "5.7.0-beta.2",
    "5.7.1",
    "5.7.1.1",
    "5.7.10",
    "5.7.11",
    "5.7.2",
    "5.7.3",
    "5.7.4",
    "5.7.5",
    "5.7.6",
    "5.7.7",
    "5.7.8",
    "5.7.8.1",
    "5.7.8.2",
    "5.7.9",
    "5.8.0",
    "5.8.1",
    "5.8.10",
    "5.8.11",
    "5.8.12",
    "5.8.13",
    "5.8.13.1",
    "5.8.13.2",
    "5.8.14",
    "5.8.15",
    "5.8.16",
    "5.8.17",
    "5.8.18",
    "5.8.19",
    "5.8.2",
    "5.8.20",
    "5.8.3",
    "5.8.4",
    "5.8.5",
    "5.8.6",
    "5.8.7",
    "5.8.8",
    "5.8.9"
  ]
}
craftcms/cms Packagist
Ecosystem versions

From 4.0.0-RC1 before 4.16.17

Fixed in 4.16.17

226 explicitly affected versions

4.0.0, 4.0.0-RC1, 4.0.0-RC2, 4.0.0-RC3, 4.0.0.1, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.5.1, 4.0.5.2, 4.0.6, 4.1.0, 4.1.0.1, 4.1.0.2, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.4.1, 4.10.0, 4.10.0-beta.1, 4.10.0-beta.2, 4.10.1, 4.10.2, 4.10.3, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.10.8, 4.11.0, 4.11.0.1, 4.11.0.2, 4.11.1, 4.11.2, 4.11.3, 4.11.4, 4.11.5, 4.12.0, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 4.12.4.1, 4.12.5, 4.12.6, 4.12.6.1, 4.12.7, 4.12.8, 4.12.9, 4.13.0, 4.13.1, 4.13.1.1, 4.13.10, 4.13.2, 4.13.3, 4.13.4, 4.13.5, 4.13.6, 4.13.7, 4.13.8, 4.13.9, 4.14.0, 4.14.0.1, 4.14.0.2, 4.14.1, 4.14.10, 4.14.11, 4.14.11.1, 4.14.12, 4.14.13, 4.14.14, 4.14.15, 4.14.2, 4.14.3, 4.14.4, 4.14.5, 4.14.6, 4.14.7, 4.14.8, 4.14.8.1, 4.14.9, 4.15.0, 4.15.0-beta.1, 4.15.0-beta.2, 4.15.0.1, 4.15.0.2, 4.15.1, 4.15.2, 4.15.3, 4.15.4, 4.15.5, 4.15.6, 4.15.6.1, 4.15.6.2, 4.15.7, 4.16.0, 4.16.1, 4.16.10, 4.16.11, 4.16.12, 4.16.13, 4.16.14, 4.16.15, 4.16.16, 4.16.2, 4.16.3, 4.16.4, 4.16.5, 4.16.6, 4.16.6.1, 4.16.7, 4.16.8, 4.16.9, 4.16.9.1, 4.2.0, 4.2.0.1, 4.2.0.2, 4.2.1, 4.2.1.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.5.1, 4.2.5.2, 4.2.6, 4.2.7, 4.2.8, 4.3.0, 4.3.1, 4.3.10, 4.3.11, 4.3.2, 4.3.2.1, 4.3.3, 4.3.4, 4.3.5, 4.3.6, 4.3.6.1, 4.3.7, 4.3.7.1, 4.3.8, 4.3.8.1, 4.3.8.2, 4.3.9, 4.4.0, 4.4.0-beta.1, 4.4.0-beta.2, 4.4.0-beta.3, 4.4.0-beta.4, 4.4.0-beta.5, 4.4.0-beta.6, 4.4.0-beta.7, 4.4.1, 4.4.10, 4.4.10.1, 4.4.11, 4.4.12, 4.4.13, 4.4.14, 4.4.15, 4.4.16, 4.4.16.1, 4.4.17, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.4.6, 4.4.6.1, 4.4.7, 4.4.7.1, 4.4.8, 4.4.9, 4.5.0, 4.5.0-beta.1, 4.5.0-beta.2, 4.5.1, 4.5.10, 4.5.11, 4.5.11.1, 4.5.12, 4.5.13, 4.5.14, 4.5.15, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.6.1, 4.5.7, 4.5.8, 4.5.9, 4.6.0, 4.6.0-RC1, 4.6.1, 4.7.0, 4.7.1, 4.7.2, 4.7.2.1, 4.7.3, 4.7.4, 4.8.0, 4.8.1, 4.8.10, 4.8.11, 4.8.2, 4.8.3, 4.8.4, 4.8.5, 4.8.6, 4.8.7, 4.8.8, 4.8.9, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "4.0.0-RC1"
        },
        {
          "fixed": "4.16.17"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
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    "4.0.0-RC2",
    "4.0.0-RC3",
    "4.0.0.1",
    "4.0.1",
    "4.0.2",
    "4.0.3",
    "4.0.4",
    "4.0.5",
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    "4.1.4",
    "4.1.4.1",
    "4.10.0",
    "4.10.0-beta.1",
    "4.10.0-beta.2",
    "4.10.1",
    "4.10.2",
    "4.10.3",
    "4.10.4",
    "4.10.5",
    "4.10.6",
    "4.10.7",
    "4.10.8",
    "4.11.0",
    "4.11.0.1",
    "4.11.0.2",
    "4.11.1",
    "4.11.2",
    "4.11.3",
    "4.11.4",
    "4.11.5",
    "4.12.0",
    "4.12.1",
    "4.12.2",
    "4.12.3",
    "4.12.4",
    "4.12.4.1",
    "4.12.5",
    "4.12.6",
    "4.12.6.1",
    "4.12.7",
    "4.12.8",
    "4.12.9",
    "4.13.0",
    "4.13.1",
    "4.13.1.1",
    "4.13.10",
    "4.13.2",
    "4.13.3",
    "4.13.4",
    "4.13.5",
    "4.13.6",
    "4.13.7",
    "4.13.8",
    "4.13.9",
    "4.14.0",
    "4.14.0.1",
    "4.14.0.2",
    "4.14.1",
    "4.14.10",
    "4.14.11",
    "4.14.11.1",
    "4.14.12",
    "4.14.13",
    "4.14.14",
    "4.14.15",
    "4.14.2",
    "4.14.3",
    "4.14.4",
    "4.14.5",
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    "4.14.7",
    "4.14.8",
    "4.14.8.1",
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    "4.15.0",
    "4.15.0-beta.1",
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    "4.15.0.1",
    "4.15.0.2",
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    "4.15.2",
    "4.15.3",
    "4.15.4",
    "4.15.5",
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    "4.15.6.1",
    "4.15.6.2",
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    "4.16.0",
    "4.16.1",
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    "4.16.13",
    "4.16.14",
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    "4.5.6",
    "4.5.6.1",
    "4.5.7",
    "4.5.8",
    "4.5.9",
    "4.6.0",
    "4.6.0-RC1",
    "4.6.1",
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    "4.8.3",
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    "4.8.8",
    "4.8.9",
    "4.9.0",
    "4.9.1",
    "4.9.2",
    "4.9.3",
    "4.9.4",
    "4.9.5",
    "4.9.6",
    "4.9.7"
  ]
}

References