CVE-2026-1928 Rank Math SEO <= 1.0.276 - Authenticated (Contributor+) PHP Object Injection to Remote Code Execution
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-1928?
CVE-2026-1928 is a high-severity vulnerability in rankmath Rank Math SEO – AI SEO Tools to Dominate SEO Rankings, published on 28 Oct 2026.
Official description
The Rank Math SEO – AI SEO Tools to Dominate SEO Rankings plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.0.276 via deserialization of untrusted input in the updateMeta REST API endpoint. This makes it possible forauthenticated attackers, with Contributor-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to achieve remote code execution by writing a webshell to the uploads directory.
Weakness: CWE-502
Which versions are affected by CVE-2026-1928?
How do I fix CVE-2026-1928?
No fix has been published for CVE-2026-1928 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1928 being exploited?
There is no known exploitation of CVE-2026-1928 in the wild and no public exploit code.
Sources
Also known as GHSA-f7v4-wpwr-74r2.