Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 4.9.9 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106220Third Party AdvisoryVDB Entry
- https://codex.wordpress.org/Version_4.9.9ProductVendor Advisory
- https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb2PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.htmlMailing ListThird Party Advisory
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/Release NotesVendor Advisory
- https://wordpress.org/support/wordpress-version/version-5-0-1/Release NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/9175Vendor Advisory
- https://www.debian.org/security/2019/dsa-4401Third Party Advisory
- https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-soPress/Media CoverageThird Party Advisory
- http://www.securityfocus.com/bid/106220Third Party AdvisoryVDB Entry
- https://codex.wordpress.org/Version_4.9.9ProductVendor Advisory
- https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb2PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.htmlMailing ListThird Party Advisory
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/Release NotesVendor Advisory
- https://wordpress.org/support/wordpress-version/version-5-0-1/Release NotesVendor Advisory
FAQ
What is CVE-2018-20149?
CVE-2018-20149 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ...
How severe is CVE-2018-20149?
CVE-2018-20149 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20149?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.