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.

Score

CVSS 3.1 6.1 Medium

Status

Modified - cve@mitre.org

Published

2019-12-19

Last modified

2024-08-05

Weaknesses

CWE-79

Affected products

• Mediawiki (Mediawiki)

References

• https://gerrit.wikimedia.org/r/q/Ida471291f1698387a26736931ab17e6899e05b51
• https://phabricator.wikimedia.org/T240487