Is CVE-2012-3871 being actively exploited?

CVE-2012-3871 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3871?

CVE-2012-3871 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2012-3871

LOW · CVSS 3.5EPSS 0.8%EU EUVD

Cross-site scripting (XSS) vulnerability in data/hybrid/i_hybrid.php in Open Constructor 3.12.0 allows remote authenticated users to inject arbitrary web script or HTML via the header parameter.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 0.8% (57th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3815)
Published: December 28, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3815 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

openconstructor project / openconstructor

References

http://packetstormsecurity.org/files/115285/Openconstructor-CMS-3.12.0-i_hybrid.php-XSS.html(Exploit)

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

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