How severe is CVE-2012-5231?

CVE-2012-5231 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-5231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5231?

CVE-2012-5231 primarily affects Jessgramp Minicms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5231?

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-2012-5231 published?

CVE-2012-5231 was published on 2012-10-01 and last updated on 2026-06-16.

CVE-2012-5231

CVE-2012-5231 is a high-severity vulnerability in Jessgramp Minicms with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Jessgramp Minicms
Published: 2012-10-01
Last modified: 2026-06-16

Description

miniCMS 1.0 and 2.0 allows remote attackers to execute arbitrary PHP code via a crafted (1) pagename or (2) area variable containing an executable extension, which is not properly handled by (a) update.php when writing files to content/, or (b) updatenews.php when writing files to content/news/.

Frequently asked questions

What is CVE-2012-5231?: miniCMS 1.0 and 2.0 allows remote attackers to execute arbitrary PHP code via a crafted (1) pagename or (2) area variable containing an executable extension, which is not properly handled by (a) update.php when writing files to content/, or (b) updatenews.php when writing files to content/news/.
How severe is CVE-2012-5231?: CVE-2012-5231 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-5231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5231?: CVE-2012-5231 primarily affects Jessgramp Minicms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5231?: 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-2012-5231 published?: CVE-2012-5231 was published on 2012-10-01 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:jessgramp:minicms:1.0:*:*:*:*:*:*:*
cpe:2.3:a:jessgramp:minicms:2.0:*:*:*:*:*:*:*

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