CVE-2025-53369

Citizen Short Description stored XSS vulnerability through wikitext

Description

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.

References

Link	Tags
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-p85q-mww9-gwqf
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bc4fdbaeb1dff127fb6d08c0d385b64aa128c8f8

Frequently Asked Questions

What is the severity of CVE-2025-53369?: CVE-2025-53369 has been scored as a high severity vulnerability.
How to fix CVE-2025-53369?: To fix CVE-2025-53369, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53369 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-53369 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53369?: CVE-2025-53369 affects StarCitizenTools mediawiki-extensions-ShortDescription.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions