What’s Vulnerable › Vulnerabilities

CVE-2023-39007

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-79

Description

/ui/cron/item/open in the Cron component of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows XSS via openAction in app/controllers/OPNsense/Cron/ItemController.php.

Affected products

• OPNsense: before 23.7 — fixed in 23.7

How to fix

Upgrade to a fixed version: OPNsense 23.7. Check the vendor advisory for mitigations.

References

• https://github.com/opnsense/core/commit/5edff49db1cd8b5078611e2f542d91c02af2b25c
• https://github.com/opnsense/core/compare/23.1.11...23.7
• https://logicaltrust.net/blog/2023/08/opnsense.html
• https://github.com/opnsense/core/commit/5edff49db1cd8b5078611e2f542d91c02af2b25c
• https://github.com/opnsense/core/compare/23.1.11...23.7
• https://logicaltrust.net/blog/2023/08/opnsense.html

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