Is CVE-2010-4396 being actively exploited?

CVE-2010-4396 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-4396?

CVE-2010-4396 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2010-4396

MEDIUM · CVSS 4.3EPSS 1.1%EU EUVD

Cross-zone scripting vulnerability in the HandleAction method in a certain ActiveX control in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and RealPlayer Enterprise 2.1.2 allows remote attackers to inject arbitrary web script or HTML in the Local Zone by specifying a local file in a NavigateToURL action, as demonstrated by a local skin file.

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-20
EPSS score: 1.1% (67th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-4365)
Published: December 14, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-4365 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp
realnetworks / realplayer sp

References

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

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