Skip to content
Heist/ feed
Unrated

WikifunctionsFragmentRenderer does unsafe string replacements on user-provided HTML

Type: advisorySource: Official CVE List1 source record

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - WikiLambda extension allows Stored XSS. This issue affects MediaWiki - WikiLambda extension: before 1.46.1.

Announced Group revision 1
Original source ↗

CVE-2026-103046

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-2026-103046

Mediawiki - WikiLambda 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/WikiLambda/+/refs/heads/master",
    "vendor": "The Wikimedia Foundation",
    "product": "Mediawiki - WikiLambda Extension",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.46.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-103046

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#4897 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement