---
title: "CVE-2026-1928: Rank Math SEO – AI SEO Tools to Dominate SEO Rankings - Remote Code Execution"
description: "Rank Math SEO – AI SEO Tools to Dominate SEO Rankings WordPress plugin <= 1.0.276 contains a PHP Object Injection caused by deserialization of untrusted input in the updateMeta REST API endpoint, letting authenticated attackers with Contributor-level access inject PHP objects and achieve remote code execution via a POP chain."
url: https://panop.io/threat-heartbeat/CVE-2026-1928/
---

# CVE-2026-1928 Rank Math SEO – AI SEO Tools to Dominate SEO Rankings - Remote Code Execution

Rank Math SEO – AI SEO Tools to Dominate SEO Rankings WordPress plugin <= 1.0.276 contains a PHP Object Injection caused by deserialization of untrusted input in the updateMeta REST API endpoint, letting authenticated attackers with Contributor-level access inject PHP objects and achieve remote code execution via a POP chain.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.54% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-1928)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

28 October 2026

Updated

29 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to the latest version beyond 1.0.276.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-1928](https://nvd.nist.gov/vuln/detail/CVE-2026-1928)
- [https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/modules/schema/class-db.php#L66](https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/modules/schema/class-db.php#L66)
- [https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/rest/class-sanitize.php#L110](https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/rest/class-sanitize.php#L110)
- [https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/rest/class-shared.php#L446](https://plugins.trac.wordpress.org/browser/seo-by-rank-math/tags/1.0.263/includes/rest/class-shared.php#L446)
- [https://plugins.trac.wordpress.org/changeset/3666725/](https://plugins.trac.wordpress.org/changeset/3666725/)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/cd4395be-7b4c-46b0-be00-7dedc6691f4a?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/cd4395be-7b4c-46b0-be00-7dedc6691f4a?source=cve)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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