CVE-2011-5277

Advanced Forum Signatures 2.0.4 - SQL Injection via Multiple Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-5277. PoCs published by Mario_Vs.

AI-analyzed exploit summary This exploit demonstrates a SQL injection vulnerability in MyBB Advanced Forum Signatures plugin (afsignatures-2.0.4). The attack injects malicious SQL into the POST request to manipulate user data, specifically targeting the 'password' and 'salt' fields for user 'uid=1'.

Description

Multiple SQL injection vulnerabilities in signature.php in the Advanced Forum Signatures (aka afsignatures) plugin 2.0.4 for MyBB allow remote attackers to execute arbitrary SQL commands via the (1) afs_type, (2) afs_background, (3) afs_showonline, (4) afs_bar_left, (5) afs_bar_center, (6) afs_full_line1, (7) afs_full_line2, (8) afs_full_line3, (9) afs_full_line4, (10) afs_full_line5, or (11) afs_full_line6 parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Mario_Vs · textwebappsphp
https://www.exploit-db.com/exploits/17961

This exploit demonstrates a SQL injection vulnerability in MyBB Advanced Forum Signatures plugin (afsignatures-2.0.4). The attack injects malicious SQL into the POST request to manipulate user data, specifically targeting the 'password' and 'salt' fields for user 'uid=1'.

Classification
Working Poc 90%
Attack Type
Sqli
Complexity
Trivial
Reliability
Reliable
Target: MyBB Advanced Forum Signatures (afsignatures-2.0.4)
No auth needed
Prerequisites: Access to the target MyBB installation with the vulnerable plugin enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/70473
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/17961
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46352
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/76295
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/50051/info

Scores

EPSS 0.0132
EPSS Percentile 67.2%

Details

CWE
CWE-89
Status published
Products (1)
advanced_forum_signatures_project/advanced_forum_signatures 2.0.4
Published Apr 08, 2014
Tracked Since Feb 18, 2026