How severe is CVE-2025-49578?

CVE-2025-49578 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-2025-49578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49578?

CVE-2025-49578 affects Starcitizen.tools Citizen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-49578?

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

Does CVE-2025-49578 have an EU (EUVD) identifier?

Yes. CVE-2025-49578 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18205.

When was CVE-2025-49578 published?

CVE-2025-49578 was published on 2025-06-12 and last updated on 2026-06-17.

CVE-2025-49578

CVE-2025-49578 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% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18205
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. Various date messages returned by `Language::userDate` are inserted into 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-2025-49578?: Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various date messages returned by `Language::userDate` are inserted into 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-2025-49578?: CVE-2025-49578 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-2025-49578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49578?: CVE-2025-49578 affects Starcitizen.tools Citizen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49578?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-49578 have an EU (EUVD) identifier?: Yes. CVE-2025-49578 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18205.
When was CVE-2025-49578 published?: CVE-2025-49578 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-2025-49579 — Medium (CVSS 6.5): Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. All system messages in menu headings…
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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