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CVE-2012-3382

MEDIUM · CVSS 4.3EPSS 1.9%EU EUVD

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.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE)
CWE-79
EPSS score
1.9% (80th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-3354)
Published
July 12, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3354 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • mono / mono

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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