How severe is CVE-2012-3383?

CVE-2012-3383 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2012-3383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3383?

CVE-2012-3383 affects Wordpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-3383?

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

When was CVE-2012-3383 published?

CVE-2012-3383 was published on 2012-07-22 and last updated on 2026-06-16.

CVE-2012-3383

CVE-2012-3383 is a low-severity vulnerability in Wordpress with a CVSS 2.0 base score of 2.6. 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 2.6)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Wordpress
Published: 2012-07-22
Last modified: 2026-06-16

Description

The map_meta_cap function in wp-includes/capabilities.php in WordPress 3.4.x before 3.4.2, when the multisite feature is enabled, does not properly assign the unfiltered_html capability, which allows remote authenticated users to bypass intended access restrictions and conduct cross-site scripting (XSS) attacks by leveraging the Administrator or Editor role and composing crafted text.

Frequently asked questions

What is CVE-2012-3383?: The map_meta_cap function in wp-includes/capabilities.php in WordPress 3.4.x before 3.4.2, when the multisite feature is enabled, does not properly assign the unfiltered_html capability, which allows remote authenticated users to bypass intended access restrictions and conduct cross-site scripting (XSS) attacks by leveraging the Administrator or Editor role and composing crafted text.
How severe is CVE-2012-3383?: CVE-2012-3383 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2012-3383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3383?: CVE-2012-3383 affects Wordpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-3383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3383 published?: CVE-2012-3383 was published on 2012-07-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:wordpress:wordpress:3.4.0:*:*:*:*:*:*:*

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