WordPress security changelog
MEDIUM CVE-2026-39710 Deferred

RT-Theme 18 | Extensions: Cross-site request forgery

RT-Theme 18 | Extensions is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request. The published affected range is <= 2.5.

CVE / CNA score 5.4 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
RT-Theme 18 | Extensions
Plugin slug
rt18-extensions
Affected
<= 2.5
Safe version
> 2.5
Published
Apr 08, 2026
Weakness
CWE-352 — Cross-Site Request Forgery (CSRF)

This CVE was published Apr 08, 2026 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update RT-Theme 18 | Extensions to a release after 2.5, or disable and remove it until a fixed version is available.

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

Cross-Site Request Forgery (CSRF) vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Cross Site Request Forgery.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

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

Primary and upstream sources