CVE-2020-27620 - Vulnerability Details - OpenCVE

Description

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

Published: 2020-10-22

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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:skin\:cosmos:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-20127	The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

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.

The EPSS score is 0.00528.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
https://phabricator.wikimedia.org/T265440

History

No history.

Subscriptions

Mediawiki Skin\

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-10-22T03:05:10.000Z

Updated: 2024-08-04T16:18:44.920Z

Reserved: 2020-10-22T00:00:00.000Z

Link: CVE-2020-27620

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-10-22T04:15:11.907

Modified: 2024-11-21T05:21:29.850

Link: CVE-2020-27620

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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