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High · 7.1 CVE-2025-68859 EUVD-2026-3991GHSA-qwp6-g4wx-f5qh

WordPress Syntax Highlighter Compress plugin <= 3.0.83.3 - Reflected Cross Site Scripting (XSS) vulnerability

Published Jan 22, 2026 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: agmorpheus Product: Syntax Highlighter Compress

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in agmorpheus Syntax Highlighter Compress syntax-highlighter-compress allows Reflected XSS.This issue affects Syntax Highlighter Compress: from n/a through <= 3.0.83.3.

Affected products

VendorProductAffectedFixed
agmorpheus Syntax Highlighter Compress ≤ 3.0.83.3 —

References