CVE-2024-47536
starcitizentools/citizen-skin vulnerable to stored, self-XSS in the "real name" field
Description
### Summary A user with the `editmyprivateinfo` right or who can otherwise change their name can XSS themselves by setting their "real name" to an XSS payload. ### Details Here's the offending line: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/d45c3d69f30863f622f16eb40dd41d3ca943454a/includes/Components/CitizenComponentUserInfo.php#L137 This was introduced in 717d16af35b10dab04d434aefddbf991fc8c168c ### PoC 1. Login 2. Go to Special:Preferences 3. Set the real name field to a string like `<script>alert("Admin with a propensity for self-XSSes")</script>` 4. Save your settings and use Citizen if it's not being used already  ### Impact Any user who can change their name (whether it's through the editmyprivateinfo right or through other means) can add XSS payloads that trigger for themselves only.
How to fix CVE-2024-47536
To remediate CVE-2024-47536, upgrade the affected package to a fixed version below.
- —upgrade to 2.31.0 or later
Is CVE-2024-47536 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.6.3, < 2.31.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |