CVE-2023-53882: Jlexart Jlex Guestbook

Medium severity, CVSS 5.1. EPSS: 0.4% chance of exploitation in the next 30 days.

JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts. Attackers can craft malicious links with XSS payloads to steal session tokens or execute arbitrary JavaScript in victims' browsers.

Affected products

• Jlexart Jlex Guestbook: version 1.6.4 only

Published 2025-12-15. Last modified 2026-06-17.