Medium severity5.6NVD Advisory· Published Jul 3, 2025· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Jly/Campaignevents
cpe:2.3:a:jly:campaignevents:-:*:*:*:*:mediawiki:*:*
Wikimedia Foundation/Mediawiki Extensions Campaigneventsllm-fuzzy2 versions
from 1.43.X before 1.43.2+ 1 more
- (no CPE)range: from 1.43.X before 1.43.2
- (no CPE)range: 1.43.x
Wikimedia Foundation/Mediawikillm-fuzzy
Range: from 1.43.X before 1.43.2

Patches

Vulnerability mechanics

References

gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949nvdPatch
phabricator.wikimedia.org/T395622nvdIssue TrackingPatch

News mentions

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cvss	0.364
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000