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ReadingLists imported metadata permits JavaScript URL XSS

Type: advisorySource: Official CVE List1 source record

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.

Announced Group revision 1
Original source ↗

CVE-2026-103437

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-2026-103437

MediaWiki ReadingLists 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/r/mediawiki/extensions/ReadingLists",
    "vendor": "The Wikimedia Foundation",
    "product": "MediaWiki ReadingLists extension",
    "versions": [
      {
        "status": "affected",
        "version": "1.46"
      },
      {
        "status": "affected",
        "version": "1.45"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-103437

Source reference: /cveMetadata/cveId

Publisher severity

low

Source reference: /containers/cna/metrics

Event
#4901 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement