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CVE-2025-53490

Good to know:

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Date: July 3, 2025

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-53490
https://phabricator.wikimedia.org/T395622
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949
https://www.mend.io/vulnerability-database/CVE-2025-53490

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version https://github.com/wikimedia/mediawiki-extensions-CampaignEvents.git - no_fix

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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