CVE-2004-1735

Sympa 4.1.x - Authenticated Stored Cross-Site Scripting via List Description Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-1735. PoCs published by Jose Antonio.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in Sympa, where unsanitized user input is rendered in the browser context, allowing arbitrary script execution. The PoC uses a simple JavaScript alert to display the victim's cookies, proving the vulnerability.

Description

Cross-site scripting (XSS) vulnerability in the create list option in Sympa 4.1.x and earlier allows remote authenticated users to inject arbitrary web script or HTML via the description field.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jose Antonio · textwebappsphp
https://www.exploit-db.com/exploits/24389

This exploit demonstrates an HTML injection vulnerability in Sympa, where unsanitized user input is rendered in the browser context, allowing arbitrary script execution. The PoC uses a simple JavaScript alert to display the victim's cookies, proving the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Sympa versions 4.1 and 4.1.x
No auth needed
Prerequisites: Access to a Sympa instance with vulnerable version · Ability to inject malicious input into a field rendered by the application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/10992
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17057
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=109312475207604&w=2
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/12339

Scores

EPSS 0.0211
EPSS Percentile 79.5%

Details

Status published
Products (4)
sympa/sympa 4.0
sympa/sympa 4.1
sympa/sympa 4.1.1
sympa/sympa 4.1.2
Published Aug 21, 2004
Tracked Since Feb 18, 2026