Is CVE-2012-5223 being actively exploited?

CVE-2012-5223 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-5223?

CVE-2012-5223 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2012-5223

HIGH · CVSS 7.5EPSS 40.5%EU EUVD

The proc_deutf function in includes/functions_vbseocp_abstract.php in vBSEO 3.5.0, 3.5.1, 3.5.2, 3.6.0, and earlier allows remote attackers to insert and execute arbitrary PHP code via "complex curly syntax" in the char_repl parameter, which is inserted into a regular expression that is processed by the preg_replace function with the eval switch.

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-94
EPSS score: 40.5% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-5146)
Published: October 1, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-5146 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

crawlability / vbseo
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References

http://osvdb.org/78508
http://secunia.com/advisories/47699(Vendor Advisory)
http://www.exploit-db.com/exploits/18424(Exploit)
http://www.securityfocus.com/bid/51647
http://www.vbseo.com/f5/vbseo-security-bulletin-all-supported-versions-patch-release-52783/(Exploit, Patch, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/72689

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

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