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Medium · 5.1 CVE-2023-53882 EUVD-2025-203432GHSA-28pf-c23w-fjrm

JLex GuestBook 1.6.4 Reflected Cross-Site Scripting via URL Parameter

Published Dec 15, 2025 · Updated Apr 7, 2026 · Assigned by VulnCheck

Description

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

VendorProductAffectedFixed
jlexart JLex GuestBook 1.6.4 —

References