CVE-2019-12471

Description

Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2019/dsa-4460 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Jun/12 third party advisory mailing list
https://phabricator.wikimedia.org/T207603 third party advisory
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-12471?
CVE-2019-12471 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12471?
To fix CVE-2019-12471, 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-2019-12471 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-12471 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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