Vulnerability Details : CVE-2021-44855
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image feature.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-44855
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.37.0:-:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-44855
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-44855
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-44855
-
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: nvd@nist.gov (Primary)
References for CVE-2021-44855
-
https://security.gentoo.org/glsa/202305-24
MediaWiki: Multiple Vulnerabilities (GLSA 202305-24) — Gentoo security
-
https://phabricator.wikimedia.org/T293589
⚓ T293589 CVE-2021-44855: Blind Stored XSS via Upload Image via URLExploit;Issue Tracking;Vendor Advisory
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