CVE-2020-25815

Description

An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory fedoraproject.org Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gerrit.wikimedia.org/g/mediawiki/core/+/ec76e14be658187544f07c1a249a047e1a75eaf8/includes/logging/LogEventsList.php#214 patch vendor advisory
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html vendor advisory mailing list
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html vendor advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-25815?
CVE-2020-25815 has been scored as a medium severity vulnerability.
How to fix CVE-2020-25815?
To fix CVE-2020-25815, 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-2020-25815 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25815 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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