CVE-2025-53490

Multiple XSS in CampaignEvents

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.

Category

5.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Wikimedia Foundation Mediawiki - CampaignEvents Extension
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T395622
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949

Frequently Asked Questions

What is the severity of CVE-2025-53490?
CVE-2025-53490 has been scored as a medium severity vulnerability.
How to fix CVE-2025-53490?
To fix CVE-2025-53490, 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-2025-53490 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-53490 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-2025-53490?
CVE-2025-53490 affects Wikimedia Foundation Mediawiki - CampaignEvents Extension.
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