CVE-2012-5223
The proc_deutf function in includes/functions_vbseocp_abstract.php in vBSEO 3.5.0, 3.5.1, 3.5.2,...
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.
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2012-5223- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-5223- Updated
- 2026-11-02
EUVDEUVD-2012-5146 No score
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.
- Record
EUVD-2012-5146- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h3xg-2p49-9cfp No score
The proc_deutf function in includes/functions_vbseocp_abstract.php in vBSEO 3.5.0, 3.5.1, 3.5.2,...
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.
- Record
GHSA-h3xg-2p49-9cfp- Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | vBSEO 3.6.0 - 'proc_deutf()' Remote PHP Code Injection (Metasploit) | 2012-01-27 |
| Metasploit | vBSEO proc_deutf() Remote PHP Code Injection | 2012-01-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-5223 is a high vulnerability (CVSS 7.5) in Crawlability Vbseo, published October 1, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 40.5%, the 98th percentile. No source names a fixed version.
References
exploit-db.com/exploits/18424
exchange.xforce.ibmcloud.com/vulnerabilities/72689
securityfocus.com/bid/51647
secunia.com/advisories/47699
osvdb.org/78508
vbseo.com/f5/vbseo-security-bulletin-all-supported-versions-patch-release-52783
nvd.nist.gov/vuln/detail/CVE-2012-5223
github.com/advisories/GHSA-h3xg-2p49-9cfp