How severe is CVE-2025-49579?

CVE-2025-49579 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-49579 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49579?

CVE-2025-49579 affects Starcitizen.tools Citizen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-49579?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-49579 have an EU (EUVD) identifier?

Yes. CVE-2025-49579 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18204.

When was CVE-2025-49579 published?

CVE-2025-49579 was published on 2025-06-12 and last updated on 2026-06-17.

CVE-2025-49579

CVE-2025-49579 is a medium-severity vulnerability in Starcitizen.tools Citizen with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18204
Weakness: CWE-79
Affected product: Starcitizen.tools Citizen
Published: 2025-06-12
Last modified: 2026-06-17

Description

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. All system messages in menu headings using the Menu.mustache template are inserted as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. This vulnerability is fixed in 3.3.1.

Frequently asked questions

What is CVE-2025-49579?: Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. All system messages in menu headings using the Menu.mustache template are inserted as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. This vulnerability is fixed in 3.3.1.
How severe is CVE-2025-49579?: CVE-2025-49579 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-49579 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49579?: CVE-2025-49579 affects Starcitizen.tools Citizen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49579?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-49579 have an EU (EUVD) identifier?: Yes. CVE-2025-49579 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18204.
When was CVE-2025-49579 published?: CVE-2025-49579 was published on 2025-06-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:*

More vulnerabilities in Starcitizen.tools Citizen

CVE-2025-53370 — High (CVSS 8.6): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0,…
CVE-2025-53368 — High (CVSS 8.6): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0,…
CVE-2025-49578 — Medium (CVSS 6.5): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various date messages returned by…
CVE-2025-49577 — Medium (CVSS 6.5): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various preferences messages are…
CVE-2025-49576 — Medium (CVSS 6.5): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The citizen-search-noresults-title…
CVE-2025-49575 — Medium (CVSS 6.5): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Multiple system messages are…

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