CVE-2008-7140

@lex_guestbook <= 4.0.5 - Cross-Site Scripting via Language Setup or Test Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2008-7140. PoCs published by ZoRLu.

AI-analyzed exploit summary The provided text describes a cross-site scripting (XSS) vulnerability in @lex Guestbook 4.0.5, where user-supplied input is not properly sanitized. The example demonstrates an XSS payload injected via the 'language_setup' parameter in the setup.php file.

Description

Multiple cross-site scripting (XSS) vulnerabilities in @lex Guestbook 4.0.5 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) language_setup parameter to setup.php or (2) test parameter to index.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: a third party has been reported that the test parameter is not used in @lex Guestbook.

Exploits (2)

exploitdb WRITEUP VERIFIED
by ZoRLu · textwebappsphp
https://www.exploit-db.com/exploits/31565

The provided text describes a cross-site scripting (XSS) vulnerability in @lex Guestbook 4.0.5, where user-supplied input is not properly sanitized. The example demonstrates an XSS payload injected via the 'language_setup' parameter in the setup.php file.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: @lex Guestbook 4.0.5
No auth needed
Prerequisites: Access to the vulnerable setup.php endpoint
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WRITEUP VERIFIED
by ZoRLu · textwebappsphp
https://www.exploit-db.com/exploits/31566

The exploit describes a cross-site scripting (XSS) vulnerability in @lex Guestbook 4.0.5 due to improper input sanitization. The provided URL demonstrates an XSS payload injected via the 'test' parameter, though the vendor disputes its validity.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: @lex Guestbook 4.0.5
No auth needed
Prerequisites: Access to the vulnerable web application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/41566
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28519

Scores

EPSS 0.0148
EPSS Percentile 70.5%

Details

CWE
CWE-79
Status published
Products (6)
alexguestbook/\@lex_guestbook 3.12
alexguestbook/\@lex_guestbook 3.13
alexguestbook/\@lex_guestbook 4.0.1
alexguestbook/\@lex_guestbook 4.0.2
alexguestbook/\@lex_guestbook 4.0.4
alexguestbook/\@lex_guestbook < 4.0.5
Published Sep 01, 2009
Tracked Since Feb 18, 2026