CVE-2023-45106 MEDIUM

CVE-2023-45106: WordPress Urvanov Syntax Highlighter Plugin <= 2.8.33 is vulnerable to Cross Site Request Forgery (CSRF)

Vendor Fedor Urvanov, Aram Kocharyan
Product Urvanov Syntax Highlighter
Weakness CWE-352 · CSRF
Published October 12, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Fedor Urvanov, Aram Kocharyan Urvanov Syntax Highlighter plugin <= 2.8.33 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Urvanov Syntax Highlighter versions up to 2.8.33 contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without the administrator's knowledge. The vulnerability requires the victim to visit the attacker's page while authenticated.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions on the site by tricking an authenticated admin into visiting a malicious webpage.

Potential impact on your site

04Site Impact

An attacker can modify site settings or content if they trick an admin into clicking a malicious link while logged in.

Conditions required to exploit

05Prerequisites

Site admin must be logged in and visit an attacker-controlled page; no special privileges required to craft the attack.

Key dates

06Disclosure timeline

October 12, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2025-14469 Theme Editor <= 3.1 - Cross-Site Request Forgery to CSS Modification CVE-2026-24537 WordPress WP Accessibility Helper (WAH) plugin <= 0.6.6 - Cross Site Request Forgery (CSRF) vulnerability CVE-2026-11981 GiveWP <= 4.15.3 - Cross-Site Request Forgery CVE-2026-65536 WordPress افزونه حمل و نقل ووکامرس (پست پیشتاز و سفارشی، پیک موتوری) plugin <= 4.4.5 - Cross Site Request Forgery (CSRF) vulnerability CVE-2026-65757 Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Modules Anywhere extension