CVE-2021-31551

View on CVE.org

Published Apr 22, 2021 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Description

An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-18448	An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.927% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gerrit.wikimedia.org/r/q/I20b63bd38779d2ccbe2d86f9879df85ca3b685f6
https://gerrit.wikimedia.org/r/q/I5e0abbc2f80e6bda255b3b32a4df39a7fe7d3793
https://gerrit.wikimedia.org/r/q/Ibe68b070ee791cd0c8e7f50eb04ac4e066b1512c
https://phabricator.wikimedia.org/T259433

History

No history.

Subscriptions

Mediawiki Mediawiki

Weaknesses

CWE-79

Sources

CVE record Updated: Aug 3, 2024, 11:03 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 22, 2021, 2:29 AM
Updated: Aug 3, 2024, 11:03 PM
Reserved: Apr 22, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:51 AM

Status: Modified
Published: Apr 22, 2021, 3:15 AM
Modified: Jun 17, 2026, 3:51 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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