Vulnerability Report

CVE-2020-27620

Title: Mediawiki Skin\ Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)

Proof Of Concept

No public PoC currently indexed for CVE-2020-27620.

CWE Category CWE-79
Published Date Oct 22, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.1 CVSS v3.1
Exploit Probability (EPSS)
0.53%

Vulnerability Summary

CVE-2020-27620: 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.

Impacted Vendors

M
mediawiki 1

Reference Links

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 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
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-27620 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.