Is CVE-2012-5903 being actively exploited?

CVE-2012-5903 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-5903?

CVE-2012-5903 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2012-5903

MEDIUM · CVSS 4.3EPSS 1.6%EU EUVD

Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 2.0.2 allows remote attackers to inject arbitrary web script or HTML via the scheduled parameter to index.php.

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: 1.6% (76th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-5777)
Published: November 17, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-5777 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

simple machines / smf

References

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

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