EUVD-2026-190247

fkie_cve-2024-47536

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. 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. This vulnerability is fixed in 2.31.0.

GHSA-62r2-gcxr-426x — starcitizentools/citizen-skin vulnerable to stored, self-XSS in the "real name" field

Affected: Packagist: starcitizentools/citizen-skin

### 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

![](https://github.com/user-attachments/assets/22adbb70-fcd7-4f81-8e53-1f5f3a730270)

### 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.

Most recent entries from all

EUVD-2026-190247

fkie_cve-2024-47536

GHSA-62r2-gcxr-426x — starcitizentools/citizen-skin vulnerable to stored, self-XSS in the "real name" field