Servers and applications
CVE-2009-5031
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.
- Severity
- Medium 4.3
- Published
- 22 Jul 2012
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2.5.11
- Exploit chance
- 2.9% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- Cross-site scripting (CWE-79)
- Attack
- Over the network · No login needed
- Attacker can
- Change some data
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
ModSecurityServers and applications · cpe:a:trustwave:modsecurity |
|