CVE-2026-57744
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk43th percentile - higher than 43% of all known CVEs
Summary
The RT-Theme 18 | Extensions (rt18-extensions) plugin up to version 2.5 contains a deserialization of untrusted data vulnerability allowing object injection. An attacker can remotely exploit this flaw to execute arbitrary code or manipulate data.
Risk Assessment
The organization risks server takeover, data theft, or complete system integrity compromise through remote code execution.
Recommendation
Immediately update the RT-Theme 18 | Extensions plugin to a version higher than 2.5 once a patch is released. Restrict access to the WordPress admin panel until then.
Other vulnerabilities in RT-Theme 18 | Extensions
See all- CVE-2026-57745High
The RT-Theme 18 | Extensions (rt18-extensions) plugin up to version 2.5 contains a reflected Cross-site Scripting (XSS) vulnerability due to improper input neutralization during web page generation. An attacker can inject malicious JavaScript code into an HTTP request, which will be executed in the victim's browser.
- CVE-2026-57743High
The RT-Theme 18 | Extensions (rt18-extensions) plugin version 2.5 and earlier contains a PHP Local File Inclusion (LFI) vulnerability due to improper control of filename in include/require statement. This allows an attacker to include arbitrary files from the server.
- CVE-2026-39711Medium
The RT-Theme 18 | Extensions plugin for WordPress up to version 2.5 inserts sensitive data into sent information. Attackers can retrieve embedded sensitive data.
- CVE-2026-39710Medium
CSRF vulnerability in RT-Theme 18 | Extensions (rt18-extensions) up to version 2.5 inclusive. Allows Cross-Site Request Forgery.
Original NVD description (English source)
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.