Severity:
HIGH RISK
(7.5)
Stored XSS (CWE-79) in MediaWiki EmbedVideo Extension
CVE-2026-55690
Received
Vulnerability Type
Category:
Stored Cross-Site Scripting
CWE:
CWE-79
Impact:
Stored Cross-Site Scripting and unauthorized actions in the wiki origin
Severity:
HIGH RISK
(7.5)
CVSS Version:
3.1
Catch This CVE While Code Is Being Written
Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
[FAQ]
Frequently Asked
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