CVE-2026-57745

WordPress RT-Theme 18 | Extensions plugin <= 2.5 - Reflected Cross Site Scripting (XSS) vulnerability

Published Jul 13, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Reflected XSS.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

Analysis

Technical impact

The RT‑Theme 18 | Extensions plugin for WordPress contains an improper neutralization of input during web page generation, which allows a reflected Cross‑Site Scripting flaw. The flaw permits arbitrary JavaScript to execute in the context of a victim’s browser when a crafted request is reflected back in a page.

Affected Systems

WordPress sites that have installed the RT‑Theme 18 | Extensions plugin from stmcan, in any version up to and including 2.5, are affected.

Risk and Exploitability

The CVSS score of 7.1 indicates high severity, while the EPSS score of less than 1 % points to a low likelihood of exploitation as of now. The flaw is not listed in the CISA KEV catalog. Based on the description, it is inferred that the vulnerability can be triggered by a user visiting a maliciously crafted URL, without requiring authentication.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

stmcan

RT-Theme 18 | Extensions

unaffected

Version	Status	Constraints
`0`	affected	≤ 2.5

No data.

Vendor Product Versions

Stmcan

Rt-theme 18 | Extensions

Version	Status	Scheme	Platform
`[0,2.5]`	affected	generic	—

Wordpress

Version	Status	Scheme	Platform
`—`	unaffected	—	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Upgrade the RT‑Theme 18 | Extensions plugin to the latest available version.
If an upgrade is not immediately possible, sanitize user‑supplied input or encode output to mitigate the reflected XSS flaw.
Configure a Content Security Policy that disallows or restricts inline script execution to reduce the impact of any reflected XSS.

Generated by OpenCVE AI on August 1, 2026 at 10:33 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.251% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://patchstack.com/database/Wordpress/Plugin/rt18-extensions/vulnerability/wordpress-rt-theme-18-extensions-plugin-2-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Jul 13, 2026 3:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jul 13, 2026 2:00 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Stmcan Stmcan rt-theme 18 \| Extensions Wordpress Wordpress wordpress
Vendors & Products		Stmcan Stmcan rt-theme 18 \| Extensions Wordpress Wordpress wordpress

Jul 13, 2026 10:00 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in stmcan RT-Theme 18 \| Extensions rt18-extensions allows Reflected XSS.This issue affects RT-Theme 18 \| Extensions: from n/a through <= 2.5.
Title		WordPress RT-Theme 18 \| Extensions plugin <= 2.5 - Reflected Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/Wordpress/Plugin/rt18-extensions/vulnerability/wordpress-rt-theme-18-extensions-plugin-2-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}`