CVE-2023-39002

MEDIUM 6.1CVE-2023-39002 · Published 09/08/2023 · updated 17/06/2026

In short

CVE-2023-39002 is a MEDIUM (CVSS 6.1) vulnerability affecting opnsense (opnsense).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.2% of all vulnerabilities.
Fix: update to 23.7 or later.

Package	Affected versions	Patched versions
opnsense opnsense	`< 23.7`	`23.7`

Description

A cross-site scripting (XSS) vulnerability in the act parameter of system_certmanager.php in OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

References

opnsense/core commit a4f6a8f · Patch
logicaltrust.net/blog/2023/08/opnsense.html · Exploit

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Package

Affected versions

Patched versions

opnsense

< 23.7

23.7

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