CVE-2012-3382

no score yetEPSS 1.9%

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.

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2012-07-12
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

mono:mono

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

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