CVE-2011-4957 - CVE House
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Status published Medium CVE-2011-4957

The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does...

Vulnerability Description

The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

wordpress
Vulnerable Versions:
0, 0.71, 1.0, 1.0.1, 1.0.2, 1.1.1, 1.2, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.3, 1.3.2, 1.3.3, 1.5, 1.5.1, 1.5.1.1, 1.5.1.2, 1.5.1.3, 1.5.2, 2.0, 2.0.1, 2.0.2, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.2, 2.2.1, 2.2.2, 2.2.3, 2.3, 2.3.1, 2.3.2, 2.3.3, 2.5, 2.5.1, 2.6, 2.6.1, 2.6.2, 2.6.3, 2.6.5, 2.7, 2.7.1, 2.8, 2.8.1, 2.8.2, 2.8.3, 2.8.4, 2.8.5, 2.8.5.1, 2.8.5.2, 2.8.6, 2.9, 2.9.1, 2.9.1.1, 2.9.2, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6

Timeline

Official Publish: June 27th, 2012
Last Modified: September 17th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.