WordPress security changelog
CRITICAL CVE-2026-59533 Deferred

Relevanssi Light permits unauthenticated SQL injection

Relevanssi Light through 1.2.2 lets an unauthenticated attacker supply input that reaches an SQL statement without safe parameterization. Exploitation can interact with the WordPress database and potentially read or alter data available to the database user. The Patchstack CNA record does not disclose the endpoint, action, parameter, query or vulnerable function.

CVE / CNA score 9.3 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Relevanssi Light
Plugin slug
relevanssi-light
Affected
n/a through 1.2.2
Safe version
1.2.3
Published
Jul 27, 2026
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Jul 27, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Relevanssi Light to 1.2.3 or later. Review database and search logs for unusual queries and rotate credentials if sensitive records may have been exposed.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Unauthenticated SQL Injection in Relevanssi Light <= 1.2.2 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Primary and upstream sources