How severe is CVE-2012-5539?

CVE-2012-5539 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2012-5539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5539?

CVE-2012-5539 primarily affects Organic Groups Project Organic Groups. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5539?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-5539 published?

CVE-2012-5539 was published on 2012-12-03 and last updated on 2026-06-16.

CVE-2012-5539

CVE-2012-5539 is a low-severity vulnerability in Organic Groups Project Organic Groups with a CVSS 2.0 base score of 3.5. 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-264.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Organic Groups Project Organic Groups
Published: 2012-12-03
Last modified: 2026-06-16

Description

The Organic Groups (OG) module 7.x-1.x before 7.x-1.5 for Drupal does not properly maintain pending group memberships, which allows remote authenticated users to post to arbitrary groups by modifying their own account while a pending membership is waiting to be approved.

Frequently asked questions

What is CVE-2012-5539?: The Organic Groups (OG) module 7.x-1.x before 7.x-1.5 for Drupal does not properly maintain pending group memberships, which allows remote authenticated users to post to arbitrary groups by modifying their own account while a pending membership is waiting to be approved.
How severe is CVE-2012-5539?: CVE-2012-5539 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2012-5539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5539?: CVE-2012-5539 primarily affects Organic Groups Project Organic Groups. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5539 published?: CVE-2012-5539 was published on 2012-12-03 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.0:*:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.1:*:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.1:rc3:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.1:rc4:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.2:*:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.3:*:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.4:*:*:*:*:*:*:*
cpe:2.3:a:organic_groups_project:organic_groups:7.x-1.x:dev:*:*:*:*:*:*

More vulnerabilities in Organic Groups Project Organic Groups

CVE-2013-7065 — Medium (CVSS 5.8): The Organic Groups (OG) module 7.x-2.x before 7.x-2.3 for Drupal allows remote attackers to bypass access restrictions…
CVE-2013-7068 — Medium (CVSS 4.9): The Organic Groups (OG) module 7.x-2.x before 7.x-2.3 for Drupal allows remote authenticated users to bypass group…
CVE-2013-4228 — Medium (CVSS 4.3): The OG access fields (visibility fields) implementation in Organic Groups (OG) module 7.x-2.x before 7.x-2.3 for Drupal…
CVE-2008-3094 — Medium (CVSS 4.3): The Organic Groups (OG) module 5.x before 5.x-7.3 and 6.x before 6.x-1.0-RC1, a module for Drupal, allows remote…

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