CVE-2023-4893 MEDIUM

CVE-2023-4893: Crayon Syntax Highlighter <= 2.8.4 - Authenticated (Contributor+) Server Side Request Forgery

Vendor Akarmenia
Product Crayon Syntax Highlighter
Weakness CWE-918 · SSRF
Published September 12, 2023
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Crayon Syntax Highlighter plugin for WordPress is vulnerable to Server Side Request Forgery via the 'crayon' shortcode in versions up to, and including, 2.8.4. This can allow authenticated attackers with contributor-level permissions or above to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Key dates

02Disclosure timeline

September 12, 2023 CVE published
April 8, 2026 Record updated