What’s Vulnerable › Vulnerabilities

CVE-2012-3382

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-07-12 · updated 2026-06-16
• Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the ProcessRequest function in mcs/class/System.Web/System.Web/HttpForbiddenHandler.cs in Mono 2.10.8 and earlier allows remote attackers to inject arbitrary web script or HTML via a file with a crafted name and a forbidden extension, which is not properly handled in an error message.

Affected products

• mono: through 2.10.8

References

• http://www.mandriva.com/security/advisories?name=MDVSA-2012:140
• http://www.openwall.com/lists/oss-security/2012/07/06/11
• https://bugzilla.novell.com/show_bug.cgi?id=769799
• https://github.com/mono/mono/commit/d16d4623edb210635bec3ca3786481b82cde25a2
• https://hermes.opensuse.org/messages/15374367
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:140
• http://www.openwall.com/lists/oss-security/2012/07/06/11
• https://bugzilla.novell.com/show_bug.cgi?id=769799
• https://github.com/mono/mono/commit/d16d4623edb210635bec3ca3786481b82cde25a2
• https://hermes.opensuse.org/messages/15374367

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