Vulnerability Details : CVE-2019-19910
The MinervaNeue Skin in MediaWiki from 2019-11-05 to 2019-12-13 (1.35 and/or 1.34) mishandles certain HTML attributes, as demonstrated by IMG onmouseover= (impact is XSS) and IMG src=http (impact is disclosing the client's IP address). This can occur within a talk page topical header that is viewed within a mobile (MobileFrontend) context.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2019-19910
- cpe:2.3:a:mediawiki:mediawiki:1.34:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.35:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19910
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19910
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
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 |
CWE ids for CVE-2019-19910
-
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-2019-19910
-
https://phabricator.wikimedia.org/T240487
⚓ T240487 XSS in MinervaNeue skin (CVE-2019-19910)Third Party Advisory
-
https://gerrit.wikimedia.org/r/q/Ida471291f1698387a26736931ab17e6899e05b51
Ida471291f1698387a26736931ab17e6899e05b51 | gerrit.wikimedia Code ReviewPatch;Vendor Advisory
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