VYPR
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Unrated severityNVD Advisory· Published Jun 27, 2012· Updated Apr 29, 2026

CVE-2011-4957

CVE-2011-4957

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

76
  • WordPress/WordPress76 versions
    cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*+ 75 more
    • cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*range: <=3.1
    • cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.2.5:a:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.3.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.10:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.11:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.6:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.7:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.8:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.0.9:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.3.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.6:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.6.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.6.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.6.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.6.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.7:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.7.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.4:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.4:a:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.5.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.8.6:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.9:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.9.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.9.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:2.9.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:*
    • cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:*
    • (no CPE)range: <3.1.1
    Package: https://wordpress.org/plugins/wordpress

Patches

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References

7

News mentions

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