EIP-2026-110599

PRE-CVE

Phorum 3.4 - Email Subject Line Script Injection

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-110599. PoCs published by peter.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in Phorum by injecting malicious script code into the subject line of a message. The PoC uses a simple script tag to trigger an alert, confirming the vulnerability.

Description

Phorum 3.4 - Email Subject Line Script Injection

Exploits (1)

exploitdb WORKING POC VERIFIED
by peter · textwebappsphp
https://www.exploit-db.com/exploits/22451

This exploit demonstrates a cross-site scripting (XSS) vulnerability in Phorum by injecting malicious script code into the subject line of a message. The PoC uses a simple script tag to trigger an alert, confirming the vulnerability.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Phorum (version not specified)
No auth needed
Prerequisites: Ability to send a message with a crafted subject line to a Phorum instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026