CVE-2005-4135

SimpleBBS <= 1.1 - Remote Code Execution via Host Header Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-4135. PoCs published by unitedasia.

AI-analyzed exploit summary This exploit targets a command injection vulnerability in SimpleBBS <= v1.1 by injecting PHP code into a forum post via a malformed 'name' parameter, then executing arbitrary commands via a crafted GET request. The PoC demonstrates remote code execution (RCE) by leveraging improper input sanitization.

Description

Direct static code injection vulnerability in includes/newtopic.php in SimpleBBS 1.1 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the Host header (possibly the name parameter or variable), which is then written to data/topics.php.

Exploits (1)

exploitdb WORKING POC VERIFIED
by unitedasia · cwebappsphp
https://www.exploit-db.com/exploits/1361

This exploit targets a command injection vulnerability in SimpleBBS <= v1.1 by injecting PHP code into a forum post via a malformed 'name' parameter, then executing arbitrary commands via a crafted GET request. The PoC demonstrates remote code execution (RCE) by leveraging improper input sanitization.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: SimpleBBS <= v1.1
No auth needed
Prerequisites: Target must have SimpleBBS <= v1.1 installed · Target must have write permissions in the 'data' directory · PHP must be enabled on the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015323
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/418838/100/0/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/2807
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/15764
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/17949

Scores

EPSS 0.0862
EPSS Percentile 94.4%

Details

Status published
Products (3)
simplemedia/simplebbs 1.0.6
simplemedia/simplebbs 1.0.7
simplemedia/simplebbs 1.1
Published Dec 09, 2005
Tracked Since Feb 18, 2026