Unrated
Stored XSS in WikiSEO author and image properties on action=info
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows Stored XSS. This issue affects Mediawiki - WikiSEO Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Announced Source revision 1
Original source ↗CVE-2026-100243
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100243
Mediawiki - WikiSEO Extension
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/WikiSEO/+/refs/heads/master",
"vendor": "Wikimedia Foundation",
"product": "Mediawiki - WikiSEO Extension",
"versions": [
{
"status": "affected",
"version": "*",
"lessThan": "1.46.1, 1.45.5, 1.43.10",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100243
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #4946 · Revision 1
- Added to Heist Feed
- Publisher date