Is CVE-2011-5277 being actively exploited?

CVE-2011-5277 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-5277?

CVE-2011-5277 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2011-5277

HIGH · CVSS 7.5EPSS 1.2%EU EUVD

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.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-89
EPSS score: 1.2% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-5176)
Published: April 8, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-5176 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

advanced forum signatures project / advanced forum signatures

References

http://osvdb.org/76295
http://secunia.com/advisories/46352(Vendor Advisory)
http://www.exploit-db.com/exploits/17961(Exploit)
http://www.securityfocus.com/bid/50051/info(Exploit)
https://exchange.xforce.ibmcloud.com/vulnerabilities/70473

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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