CVE-2003-0283

Phorum < 3.4.3 - Cross-Site Scripting via Message Subject, Author Name, or Email

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0283. PoCs published by WiciU.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in Phorum, allowing arbitrary script execution via crafted input in message fields. The PoC shows a simple XSS payload that steals cookies when rendered.

Description

Cross-site scripting (XSS) vulnerability in Phorum before 3.4.3 allows remote attackers to inject arbitrary web script and HTML tags via a message with a "<<" before a tag name in the (1) subject, (2) author's name, or (3) author's e-mail.

Exploits (1)

exploitdb WORKING POC VERIFIED
by WiciU · textwebappsphp
https://www.exploit-db.com/exploits/22579

This exploit demonstrates an HTML injection vulnerability in Phorum, allowing arbitrary script execution via crafted input in message fields. The PoC shows a simple XSS payload that steals cookies when rendered.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Phorum (version unspecified)
No auth needed
Prerequisites: Access to a Phorum instance where messages can be posted
MITRE ATT&CK
mistral-large-3 · 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/11974
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105251421925394&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/7545
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105251043821533&w=2

Scores

EPSS 0.0396
EPSS Percentile 89.2%

Details

Status published
Products (1)
phorum/phorum < 3.4.3
Published Jun 16, 2003
Tracked Since Feb 18, 2026