CVE-2025-53490

Multiple XSS in CampaignEvents

CVSS 5.6 MEDIUMEPSS 0.2%CWE-79

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.

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

Affected products

Wikimedia Foundation · Mediawiki - CampaignEvents Extension

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References

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