CVE-2026-76801 FireBox WooCommerce Popup Builder - Remote Code Execution

FireBox WooCommerce Popup Builder up to 3.1.10 contains a remote code execution caused by insufficient sanitization and a bypassable regex blacklist in Executer::allowedToRun(), letting authenticated attackers with author-level access execute code on the server, exploit requires author-level or higher privileges.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.94% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
9 September 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to a version later than 3.1.10 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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