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CVE-2023-53882

JLex GuestBook 1.6.4 Reflected Cross-Site Scripting via URL Parameter

MEDIUM
5.1
CVSS Score
Published: December 15, 2025 at 08:28 PM UTC
Updated: June 17, 2026 at 06:46 AM UTC
1 product affected across 1 vendorJLex GuestBook

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Exploit
Source: cverecord
https://www.exploit-db.com/exploits/51647
Product
Source: cverecord
https://jlexart.com/
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/jlex-guestbook-reflected-cross-site-scripting-via-url-parameter

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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