Reflected Cross-Site Scripting in JLex GuestBook Product by JLexArt
CVE-2023-53882

5.1MEDIUM

Key Information:

Vendor

Jlexart

Status
Jlex Guestbook
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53882?

JLex GuestBook version 1.6.4 is vulnerable to reflected cross-site scripting (XSS) due to improper handling of the 'q' URL parameter. This flaw allows attackers to craft specially designed links that can execute arbitrary JavaScript in the browser of a victim. By leveraging this vulnerability, attackers may steal sensitive information, such as session tokens, or perform unauthorized actions on behalf of the user. It is critical for users of this product to implement rigorous validation and sanitization measures for user inputs to mitigate potential exploits.

Affected Version(s)

JLex GuestBook 1.6.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53882 - Proof of Concept

References

https://www.exploit-db.com/exploits/51647
exploit
https://jlexart.com/
product
https://www.vulncheck.com/advisories/jlex-guestbook-refle...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

CraCkEr
JSON
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CVE-2023-53882 : Reflected Cross-Site Scripting in JLex GuestBook Product by JLexArt