CVE-2011-4561

Phorum 5.2.18 - Cross-Site Scripting via PATH_INFO to admin/index.php

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-4561. PoCs published by Stefan Schurtz.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in Phorum 5.2.18 by injecting malicious JavaScript into the admin URL path, which executes arbitrary script code in the context of the affected site.

Description

Cross-site scripting (XSS) vulnerability in admin.php in Phorum 5.2.18 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/index.php. NOTE: some of these details are obtained from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Stefan Schurtz · textwebappsphp
https://www.exploit-db.com/exploits/36201

This exploit demonstrates a reflected XSS vulnerability in Phorum 5.2.18 by injecting malicious JavaScript into the admin URL path, which executes arbitrary script code in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Phorum 5.2.18
No auth needed
Prerequisites: Access to the target Phorum admin URL
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/49920
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/76026
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/519991/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46282

Scores

EPSS 0.0163
EPSS Percentile 73.4%

Details

CWE
CWE-79
Status published
Products (1)
phorum/phorum 5.2.18
Published Nov 28, 2011
Tracked Since Feb 18, 2026