CVE-2026-104753: Rank Math SEO SQL injection vulnerability

medium 4.1 published 2026-10-10 · updated 2026-10-13

Affected versions: older than 1.0.280
Fixed in: 1.0.280
Latest version: 1.0.280
Severity: Medium · CVSS 4.1
Active installs: 4+ million
Type: SQL injection

What an attacker needs

Access: An admin-level account (per the CVSS score).

CVSS vector (score by CISA ADP): CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

What to do now

Update Rank Math SEO to 1.0.280 or newer: Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
Not sure which version you run? Check your version against every known Rank Math SEO issue. With WP-CLI: wp plugin get seo-by-rank-math --field=version.
If you ran an affected version and something looks off (new admin users, spam pages, redirects), run the free scan below.

The advisory

The Rank Math SEO WordPress plugin before 1.0.280 does not properly sanitise and escape a parameter before using it in a SQL query, allowing high-privilege users such as administrators to perform SQL injection attacks.

Description from the CVE record, published by WPScan (the CVE Numbering Authority), via the NVD entry for CVE-2026-104753.

References

NVD CVE-2026-104753 nvd.nist.gov
WPScan advisory wpscan.com

Ran an affected version? Check your site for signs of a hack

The free scan reads the public side of your site and looks for spam pages, hidden redirects, injected scripts and blacklist entries. No login, no install, about a minute.

Where this data comes from

CVE record, score and references: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Versions and install counts: wordpress.org/plugins/seo-by-rank-math (Plugins API), fetched 2026-11-01.
The summary, “what an attacker needs” and “what to do” sections are our plain-English reading of the record and the plugin's release history; the quoted description is the record's own text. Spot an error? Email Daniel.