CVE-2025-53490 - CVE House
Back to Database
Status published Unknown CVE-2025-53490

Multiple XSS in CampaignEvents

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-53490

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Daimona

References

More from Wikimedia Foundation

View All →
CVE-2025-7363
TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function
Unknown 0
CVE-2025-7362
MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message
Unknown 0
CVE-2025-7057
Stored XSS in Quiz
Unknown 0
CVE-2025-7056
Stored XSS in UrlShortener
Unknown 0
CVE-2025-6927
Autoblocks from global account suppressions are publicly visible
Low 2.3

Affected Vendor

Wikimedia Foundation

View all reports →

Affected Software

Mediawiki - CampaignEvents Extension
Vulnerable Versions:
1.43.x

Timeline

Official Publish: July 3rd, 2025
Last Modified: July 10th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact