Formwork has a cross-site scripting (XSS) vulnerability in Site title
The advisory, in context
Summary
The site title field at /panel/options/site/allows embedding JS tags, which can be used to attack all members of the system. This is a widespread attack and can cause significant damage if there is a considerable number of users.
Impact
The attack is widespread, leveraging what XSS can do. This will undoubtedly impact system availability.
Patches
- Formwork 2.x (aa3e9c6) escapes site title from panel header navigation.
Details
By embedding "<!--", the source code can be rendered non-functional, significantly impacting system availability. However, the attacker would need admin privileges, making the attack more difficult to execute.
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 2.0.0-beta.3 before 2.0.0-beta.4
Fixed in 2.0.0-beta.4
1 explicitly affected versions
2.0.0-beta.3
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "2.0.0-beta.3"
},
{
"fixed": "2.0.0-beta.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.0-beta.3"
]
}