CVE-2018-20149

Description

In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is used, authors could upload crafted files that bypass intended MIME type restrictions, leading to XSS, as demonstrated by a .jpg file without JPEG data.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.03% Top 15%
Vendor Advisory debian.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org Vendor Advisory wpvulndb.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106220 vdb entry third party advisory
https://wordpress.org/support/wordpress-version/version-5-0-1/ release notes vendor advisory
https://codex.wordpress.org/Version_4.9.9 product vendor advisory
https://wpvulndb.com/vulnerabilities/9175 vendor advisory
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a third party advisory patch
https://www.debian.org/security/2019/dsa-4401 third party advisory vendor advisory
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/ release notes vendor advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html third party advisory mailing list
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/ press/media coverage third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-20149?
CVE-2018-20149 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20149?
To fix CVE-2018-20149, 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-2018-20149 being actively exploited in the wild?
It is possible that CVE-2018-20149 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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