← Vulnerability feed

Vulnerability record · CVE-2009-5031 · published 22 July 2012

CVE-2009-5031: Trustwave modsecurity cross-site scripting vulnerability

Trustwave · Modsecurity

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.

4.3 CVSS 2.0 Medium EPSS 2.9% · top 13.4% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html Mailing ListThird Party Advisory
http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGES Broken Link
http://secunia.com/advisories/49576 Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/06/22/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2012/06/22/2 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/54156 Third Party AdvisoryVDB Entry
http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf Third Party Advisory
https://www.modsecurity.org/fisheye/browse/modsecurity/m2/branches/2.5.x/apache2/msc_multipart.c?r2=1419&r1=1366 Broken Link
http://blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html Mailing ListThird Party Advisory
http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGES Broken Link
http://secunia.com/advisories/49576 Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/06/22/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2012/06/22/2 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/54156 Third Party AdvisoryVDB Entry
http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf Third Party Advisory
https://www.modsecurity.org/fisheye/browse/modsecurity/m2/branches/2.5.x/apache2/msc_multipart.c?r2=1419&r1=1366 Broken Link

Track CVE-2009-5031 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-4171Adobe Flash Player unspecified remote code execution flawCVE-2016-4171 is an unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier that allows remote attackers to execute arbitrary code thr…KEVEPSS 20%analysed9.8CVE-2016-4117Adobe Flash Player unspecified vectors allow arbitrary code executionAdobe Flash Player 21.0.0.226 and earlier contains a critical flaw that lets remote attackers execute arbitrary code through unspecified vectors. Ado…KEVEPSS 94%analysed9.8CVE-2016-3427Oracle Java SE JMX Improper Access Control VulnerabilityCVE-2016-3427 is an unspecified vulnerability in Oracle Java SE 6u113, 7u99, 8u77, Java SE Embedded 8u77, and JRockit R28.3.9, reached through vector…KEVEPSS 92%analysed9.8CVE-2015-2590Oracle Java SE Libraries flaw allows remote code executionCVE-2015-2590 is an unspecified vulnerability in the Libraries component of Oracle Java SE 6u95, 7u80, 8u45 and Java SE Embedded 7u75, 8u33. The reco…KEVEPSS 25%analysed9.8CVE-2015-5119Adobe Flash Player ActionScript 3 ByteArray use-after-freeA use-after-free flaw exists in the ByteArray class of the ActionScript 3 implementation in Adobe Flash Player. Crafted Flash content that overrides …KEVEPSS 99%analysed9.8CVE-2015-3113Adobe Flash Player heap buffer overflow allows remote code executionAdobe Flash Player contains a heap-based buffer overflow (CWE-122/CWE-787) reachable through unspecified vectors. It affects Flash Player before 13.0…KEVEPSS 100%analysed9.8CVE-2015-3043Adobe Flash Player memory corruption allows arbitrary code executionAdobe Flash Player contains an out-of-bounds write (CWE-787) that corrupts memory and can lead to arbitrary code execution or a denial of service. Th…KEVEPSS 74%analysed9.8CVE-2015-0313Adobe Flash Player use-after-free allows remote code executionAdobe Flash Player contains a use-after-free (CWE-416) flaw reachable through unspecified vectors. It affects Flash Player before 13.0.0.269 and 14.x…KEVEPSS 95%analysed

Source: NIST National Vulnerability Database (record CVE-2009-5031), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.