CVE-2023-22911 : An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

Published 2023-01-10 08:15:10

Updated 2025-04-07 19:15:51

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2023-22911

Mediawiki » Mediawiki
Versions from including (>=) 1.36.0 and before (<) 1.38.5
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Matching versions
Mediawiki » Mediawiki
Versions before (<) 1.35.9
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Matching versions
Mediawiki » Mediawiki » Version: 1.39.0 Update RC0
cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc0:*:*:*:*:*:*
Matching versions
Mediawiki » Mediawiki » Version: 1.39.0 Update RC1
cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc1:*:*:*:*:*:*
Matching versions
Mediawiki » Mediawiki » Version: 1.39.0
cpe:2.3:a:mediawiki:mediawiki:1.39.0:-:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-22911

EPSS FAQ

0.33%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 52 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-22911

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-04-07
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2023-22911

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2023-22911

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AP65YEN762IBNQPOYGUVLTQIDLM5XD2A/

[SECURITY] Fedora 37 Update: mediawiki-1.38.5-1.fc37 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AP65YEN762IBNQPOYGUVLTQIDLM5XD2A/

[SECURITY] Fedora 37 Update: mediawiki-1.38.5-1.fc37 - package-announce - Fedora Mailing-Lists

CVEs referencing this url
https://phabricator.wikimedia.org/T149488

⚓ T149488 E:Widgets does widget replacement in html attributes potentially leading to XSS
Exploit;Issue Tracking;Patch;Vendor Advisory

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Vulnerability Details : CVE-2023-22911

Products affected by CVE-2023-22911

Exploit prediction scoring system (EPSS) score for CVE-2023-22911

CVSS scores for CVE-2023-22911

CWE ids for CVE-2023-22911

References for CVE-2023-22911