CVE-2026-1928

High

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.

SeverityHigh
CVSS8.8
Exploit probability45. percentile0.5%
ProductRank Math SEO – AI SEO Tools to Dominate SEO Rankings
PublishedOct 28, 2026
First seenOct 28, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rankmath Rank Math SEO – AI SEO Tools to Dominate SEO Rankingsv ≤ 1.0.276—

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CVE-2026-1928 · Rank Math SEO – AI SEO Tools to Dominate SEO Rankings · Dark Radar