ModSecurity before 2.5.11 treats request parameter values containing single quotes as…
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.0293 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:* | before 2.5.11 | Vulnerable | Trustwave |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
- cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:* Versions before 2.5.11 Vulnerable ·Trustwave
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-5031
- 2026-10-03 Alias added: GHSA-rcvp-p5h6-67hw
References
Advisory 7
- openSUSE-SU-2013:1342
- openSUSE-SU-2013:1331
- http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf
- http://blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html
- [oss-security] 20120621 Re: mod_security CVE request
- [oss-security] 20120621 mod_security CVE request
- openSUSE-SU-2013:1336
Sources
- CVE-2009-5031 · CVE Program
- CVE-2009-5031 · NVD
- FIRST EPSS
- GHSA-rcvp-p5h6-67hw · GitHub Advisory Database · CC BY 4.0
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