What’s Vulnerable › Vulnerabilities

CVE-2023-53882: JLex GuestBook 1.6.4 Reflected Cross-Site Scripting via URL Parameter

• Severity: medium (CVSS 5.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-15 · updated 2026-06-17
• Weakness: CWE-79

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

• jlexart JLex GuestBook: 1.6.4

References

• https://jlexart.com/
• https://www.exploit-db.com/exploits/51647
• https://www.vulncheck.com/advisories/jlex-guestbook-reflected-cross-site-scripting-via-url-parameter

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