6.5

CVE-2025-49577: starcitizen.tools citizen Cross-site Scripting

CVSS: 6.5v3.1MediumAnalyzed
Published 12-06-2025Last modified 12-06-2025
Open JSON

Vulnerability summary

CVE-2025-49577 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in starcitizen.tools citizen. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 12-06-2025
    PublishedVulnerability first disclosed.
  2. 12-06-2025
    Last modifiedVulnerability information updated.

Description

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various preferences messages are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This vulnerability is fixed in 3.3.1.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

+0.01 pp

From 0.41% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Mediawiki Skins Citizen

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Starcitizen.tools1 product
Starcitizentools1 product
  • mediawiki-skins-citizen≥ a741639085d70c22a9f49890542a142a223bf981, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd | ≥ 2.13.0, < 3.3.1

2 vendors · 2 products

References

3 links