CVE-2019-19910

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T240487 third party advisory
https://gerrit.wikimedia.org/r/q/Ida471291f1698387a26736931ab17e6899e05b51 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-19910?
CVE-2019-19910 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19910?
To fix CVE-2019-19910, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19910 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-19910 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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