How severe is CVE-2012-6562?

CVE-2012-6562 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2012-6562 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6562?

CVE-2012-6562 primarily affects Elgg. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6562?

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

When was CVE-2012-6562 published?

CVE-2012-6562 was published on 2013-05-23 and last updated on 2026-06-16.

CVE-2012-6562

CVE-2012-6562 is a medium-severity vulnerability in Elgg with a CVSS 2.0 base score of 6.8. 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: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Elgg
Published: 2013-05-23
Last modified: 2026-06-16

Description

engine/lib/users.php in Elgg before 1.8.5 does not properly specify permissions for the useradd action, which allows remote attackers to create arbitrary accounts.

Frequently asked questions

What is CVE-2012-6562?: engine/lib/users.php in Elgg before 1.8.5 does not properly specify permissions for the useradd action, which allows remote attackers to create arbitrary accounts.
How severe is CVE-2012-6562?: CVE-2012-6562 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-6562 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6562?: CVE-2012-6562 primarily affects Elgg. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6562?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-6562 published?: CVE-2012-6562 was published on 2013-05-23 and last updated on 2026-06-16.

References

Affected products (23)

cpe:2.3:a:elgg:elgg:*:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.0:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.1:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.2:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.3:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.4:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.5:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.6:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.7:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.8:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.9:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.10:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.11:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.12:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.13:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.14:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.15:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.16:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.17:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.7.18:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:elgg:elgg:1.8.3:*:*:*:*:*:*:*

More vulnerabilities in Elgg

CVE-2011-2936 — Critical (CVSS 9.8): Elgg through 1.7.10 has a SQL injection vulnerability
CVE-2021-3980 — High (CVSS 7.5): elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor
CVE-2011-2935 — Medium (CVSS 6.1): Elgg through 1.7.10 has XSS
CVE-2019-11016 — Medium (CVSS 6.1): Elgg before 1.12.18 and 2.3.x before 2.3.11 has an open redirect.
CVE-2021-3964 — Medium (CVSS 5.9): elgg is vulnerable to Authorization Bypass Through User-Controlled Key
CVE-2021-4072 — Medium (CVSS 5.4): elgg is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

All CVEs affecting Elgg →

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Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →