Vulnerability Details : CVE-2021-36131
An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-36131
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-36131
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-36131
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
4.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
1.7
|
2.7
|
NIST |
CWE ids for CVE-2021-36131
-
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-2021-36131
-
https://gerrit.wikimedia.org/r/q/Ic312cc9b8463c8e7c3298a661abfcff2cc2332cb
[SECURITY] Fix stored XSS in Special:SportsTeamsManager & Special:UpdateFavoriteTeams + add phan & seccheck & make 'em pass (Ic312cc9b) · Gerrit Code ReviewPatch;Vendor Advisory
-
https://phabricator.wikimedia.org/T281196
⚓ T281196 Stored XSS in SportsTeams' Special:SportsTeamsManager & Special:UpdateFavoriteTeamsIssue Tracking;Patch;Vendor Advisory
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