How severe is CVE-2012-5223?

CVE-2012-5223 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-5223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5223?

CVE-2012-5223 primarily affects Crawlability Vbseo. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5223?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-5223 published?

CVE-2012-5223 was published on 2012-10-01 and last updated on 2026-06-16.

CVE-2012-5223

CVE-2012-5223 is a high-severity vulnerability in Crawlability Vbseo with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 41% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 41% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Crawlability Vbseo
Published: 2012-10-01
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-5223?: 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.
How severe is CVE-2012-5223?: CVE-2012-5223 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-5223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5223?: CVE-2012-5223 primarily affects Crawlability Vbseo. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-5223 published?: CVE-2012-5223 was published on 2012-10-01 and last updated on 2026-06-16.

References

Affected products (35)

cpe:2.3:a:crawlability:vbseo:*:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:2.4.5:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:rc5:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.0.0:rc6:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.2.0:rc4:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.2.0:rc5:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.2.0:rc7:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.2.0:rc8:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.0:rc3:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.6.0:beta1:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:crawlability:vbseo:3.6.0:rc2:*:*:*:*:*:*

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