Unrated severityNVD Advisory· Published Jul 22, 2012· Updated Jun 16, 2026
CVE-2009-5031
CVE-2009-5031
Description
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:*range: <2.5.11
- (no CPE)range: <2.5.11
Patches
Vulnerability mechanics
References
11- blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.htmlnvdThird Party Advisory
- lists.opensuse.org/opensuse-updates/2013-08/msg00020.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-updates/2013-08/msg00025.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-updates/2013-08/msg00031.htmlnvdMailing ListThird Party Advisory
- secunia.com/advisories/49576nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2012/06/22/1nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2012/06/22/2nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/54156nvdThird Party AdvisoryVDB Entry
- www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdfnvdThird Party Advisory
- mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGESnvdBroken Link
- www.modsecurity.org/fisheye/browse/modsecurity/m2/branches/2.5.x/apache2/msc_multipart.cnvdBroken Link
News mentions
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