CVE-2018-20149
UnknownEPSS 3.44%
Last modified
CVE-2018-20149 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.44% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 4.9.9 |
| Wordpress | Wordpress | >= 5.0, < 5.0.1 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://www.securityfocus.com/bid/106220Third Party Advisory, VDB Entry
- https://codex.wordpress.org/Version_4.9.9Product, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.htmlMailing List, Third Party Advisory
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/Release Notes, Vendor Advisory
- https://wordpress.org/support/wordpress-version/version-5-0-1/Release Notes, Vendor 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-some-user-passwords/Press/Media Coverage, Third Party Advisory
- http://www.securityfocus.com/bid/106220Third Party Advisory, VDB Entry
- https://codex.wordpress.org/Version_4.9.9Product, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00019.htmlMailing List, Third Party Advisory
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/Release Notes, Vendor Advisory
- https://wordpress.org/support/wordpress-version/version-5-0-1/Release Notes, Vendor 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-some-user-passwords/Press/Media Coverage, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20149?
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.
How severe is CVE-2018-20149?
Severity scoring for CVE-2018-20149 is pending analysis. The EPSS model estimates a 3.44% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20149?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-20149?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST