CVE-2025-53490

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.

Reserved 2025-06-30 | Published 2025-07-03 | Updated 2025-07-10 | Assigner wikimedia-foundation

Problem types

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

Product status

Default status
unaffected

1.43.x before 1.43.2
affected

Credits

Daimona finder

References

phabricator.wikimedia.org/T395622

gerrit.wikimedia.org/.../extensions/CampaignEvents/+/1165949

cve.org (CVE-2025-53490)

nvd.nist.gov (CVE-2025-53490)

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