CVE-2026-57744: critical vulnerability in stmcan RT-Theme 18 | Extensions
WordPress RT-Theme 18 | Extensions plugin <= 2.5 - PHP Object Injection vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.6%
Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
stmcan · RT-Theme 18 | ExtensionsRelated CVEs — stmcan RT-Theme 18 | Extensions
In the same product, most dangerous first.
CVE-2025-32288HIGHWordPress RT-Theme 18 | Extensions plugin <= 2.4 - Local File Inclusion VulnerabilityEPSS 0.6%CVE-2026-57743HIGHWordPress RT-Theme 18 | Extensions plugin <= 2.5 - Local File Inclusion vulnerabilityEPSS 0.6%CVE-2026-39711MEDIUMWordPress RT-Theme 18 | Extensions plugin <= 2.5 - Sensitive Data Exposure vulnerabilityEPSS 0.3%CVE-2026-57745HIGHWordPress RT-Theme 18 | Extensions plugin <= 2.5 - Reflected Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2026-39710MEDIUMWordPress RT-Theme 18 | Extensions plugin <= 2.5 - Cross Site Request Forgery (CSRF) vulnerabilityEPSS 0.1%