What’s Vulnerable › Vulnerabilities

CVE-2012-5496

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-09-30 · updated 2026-06-16
• Weakness: CWE-399

Description

kupu_spellcheck.py in Kupu in Plone before 4.0 allows remote attackers to cause a denial of service (ZServer thread lock) via a crafted URL.

Affected products

• Plone CMS: through 3.3.5; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+42)

References

• http://www.openwall.com/lists/oss-security/2012/11/10/1
• https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
• https://plone.org/products/plone-hotfix/releases/20121106
• https://plone.org/products/plone/security/advisories/20121106/12
• http://www.openwall.com/lists/oss-security/2012/11/10/1
• https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
• https://plone.org/products/plone-hotfix/releases/20121106
• https://plone.org/products/plone/security/advisories/20121106/12

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