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CVE Record

CVE-2021-36129: An issue was discovered in the Translate extension in MediaWiki through 1.36.

An issue was discovered in the Translate extension in MediaWiki through 1.36. The Aggregategroups Action API module does not validate the parameter for aggregategroup when action=remove is set, thus allowing users with the translate-manage right to silently delete various groups' metadata.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-36129 affects the MediaWiki Translate extension through MediaWiki 1.36. A user who already has translate management privileges could silently delete metadata for translation aggregate groups. This is mainly an integrity and operations risk for organizations relying on MediaWiki translation workflows.

Executive priority

Treat this as a targeted administrative integrity issue, not a broad emergency. Prioritize if MediaWiki translation workflows are business-critical, exposed to many privileged users, or lack reliable metadata backups and change auditing.

Technical view

The Aggregategroups Action API module failed to validate the aggregate group parameter when removing an aggregate group. The described impact is silent deletion of various groups' metadata by users with the translate-manage right. The source bundle provides no CVSS score, CWE, or detailed affected version matrix beyond MediaWiki through 1.36.

Likely exposure

Exposure is most likely on MediaWiki installations running the Translate extension through 1.36, especially where multiple users hold translate-manage privileges. Publicly reachable wikis increase administrative abuse risk, but the CVE description indicates privileged access is required.

Exploitation context

No active exploitation is reported in the provided sources, and the CVE is not listed as KEV. Abuse requires translate-manage privileges and affects aggregate group metadata integrity; the bundle does not support claims of unauthenticated compromise or code execution.

Researcher notes

Evidence is limited. The CVE description identifies the vulnerable module, missing parameter validation, required translate-manage right, and metadata deletion impact. The source bundle does not provide CVSS, CWE, proof of exploitation, or full remediation details beyond Wikimedia references.

Mitigation direction

  • Check Wikimedia guidance and the referenced Gerrit change for the appropriate fix.
  • Upgrade MediaWiki and the Translate extension to a non-affected maintained version.
  • Restrict translate-manage rights to trusted administrators only.
  • Review change controls for translation aggregate group management.
  • Back up translation metadata and verify restore procedures.

Validation and detection

  • Inventory MediaWiki deployments using the Translate extension through 1.36.
  • Confirm installed Translate extension and MediaWiki versions against vendor guidance.
  • Review accounts and groups holding the translate-manage right.
  • Check administrative logs for unexpected aggregate group metadata removals.
  • Verify patched behavior using approved administrative test procedures only.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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