CVE-2021-39186

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-39186
GlobalNewFiles is a MediaWiki extension maintained by Miraheze. Prior to commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, the username column of the GlobalNewFiles special page is vulnerable to a stored XSS. Commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d contains a patch. As a workaround, one may disallow <,> (or other characters required to insert html/js) from being used in account names so an XSS is not possible.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/miraheze/GlobalNewFiles/commit/cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d Patch Third Party Advisory
https://github.com/miraheze/GlobalNewFiles/security/advisories/GHSA-57p5-hqjq-h7vg Third Party Advisory
https://phabricator.miraheze.org/T7935 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:miraheze:globalnewfiles:*:*:*:*:*:mediawiki:*:*
History

10 Sep 2021, 19:34

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 4.3 		v2 : 4.3
v3 : 6.1
CPE cpe:2.3:a:miraheze:globalnewfiles:*:*:*:*:*:mediawiki:*:*
References (CONFIRM) https://github.com/miraheze/GlobalNewFiles/security/advisories/GHSA-57p5-hqjq-h7vg - (CONFIRM) https://github.com/miraheze/GlobalNewFiles/security/advisories/GHSA-57p5-hqjq-h7vg - Third Party Advisory
References (MISC) https://github.com/miraheze/GlobalNewFiles/commit/cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d - (MISC) https://github.com/miraheze/GlobalNewFiles/commit/cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d - Patch, Third Party Advisory
References (MISC) https://phabricator.miraheze.org/T7935 - (MISC) https://phabricator.miraheze.org/T7935 - Exploit, Third Party Advisory

06 Sep 2021, 12:15

Type Values Removed Values Added
Summary GlobalNewFiles is a package in Miraheze, a wiki hosting service. Prior to commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, the username column of the GlobalNewFiles special page is vulnerable to a stored XSS. Commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d contains a patch. As a workaround, one may disallow <,> (or other characters required to insert html/js) from being used in account names so an XSS is not possible. GlobalNewFiles is a MediaWiki extension maintained by Miraheze. Prior to commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, the username column of the GlobalNewFiles special page is vulnerable to a stored XSS. Commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d contains a patch. As a workaround, one may disallow <,> (or other characters required to insert html/js) from being used in account names so an XSS is not possible.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.3

01 Sep 2021, 21:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-01 21:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-39186

Mitre link : CVE-2021-39186

CVE.ORG link : CVE-2021-39186

JSON object : View

Products Affected

miraheze

  • globalnewfiles
CWE
CWE-20

Improper Input Validation