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CVE-2025-49577

16
FAUCET Score

CVE-2025-49577 is a medium-severity cross-site scripting (XSS) vulnerability affecting the Citizen MediaWiki skin, specifically starcitizen.tools citizen. It allows authenticated attackers with message editing privileges to inject arbitrary HTML into the DOM due to improper sanitization of preference messages. The vulnerability has a CVSS score of 5.4, indicating a low attack complexity and the potential for limited impact on confidentiality and integrity, but no impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. The issue is resolved in Citizen skin version 3.3.1.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.1CPE matchmatch criteria
cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 41st percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: starcitizentools/citizen-skinFixed in: 3.3.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-jwr7-992g-68mhmedium

starcitizentools/citizen-skin allows stored XSS in preference menu heading messages

Jun 13, 2025

References

github.com / StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd
Patch
github.com / StarCitizenTools/mediawiki-skins-Citizen/commit/a741639085d70c22a9f49890542a142a223bf981
Patch
github.com / StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-jwr7-992g-68mh
ExploitVendor Advisory