CVE-2008-4761

Kayako eSupport 3.20.2 - Cross-Site Scripting via jsMakeSrc Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-4761. PoCs published by ShockShadow.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in HTMLTidy 0.5 due to improper input sanitization. The PoC provides a URL that injects arbitrary JavaScript code via the 'jsMakeSrc' parameter.

Description

Cross-site scripting (XSS) vulnerability in includes/htmlArea/plugins/HtmlTidy/html-tidy-logic.php in Kayako eSupport 3.20.2 allows remote attackers to inject arbitrary web script or HTML via the jsMakeSrc parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: this issue is probably in the HTMLArea HTMLTidy (HTML Tidy) plugin, not eSupport.

Exploits (1)

exploitdb WORKING POC VERIFIED
by ShockShadow · textwebappsphp
https://www.exploit-db.com/exploits/32527

This exploit demonstrates a cross-site scripting (XSS) vulnerability in HTMLTidy 0.5 due to improper input sanitization. The PoC provides a URL that injects arbitrary JavaScript code via the 'jsMakeSrc' parameter.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: HTMLTidy 0.5
No auth needed
Prerequisites: A vulnerable version of HTMLTidy accessible via a web interface
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2008/10/27/6
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/31908
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/46097

Scores

EPSS 0.0146
EPSS Percentile 70.3%

Details

CWE
CWE-79
Status published
Products (1)
kayako/esupport 3.20.2
Published Oct 28, 2008
Tracked Since Feb 18, 2026