CVE-2023-46817

Phpfox vulnerability

9.8 CRITICALEPSS 1.81%

Published3 Nov 2023

Description

An issue was discovered in phpFox before 4.8.14. The url request parameter passed to the /core/redirect route is not properly sanitized before being used in a call to the unserialize() PHP function. This can be exploited by remote, unauthenticated attackers to inject arbitrary PHP objects into the application scope, allowing them to perform a variety of attacks, such as executing arbitrary PHP code.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Phpfox< 4.8.13

Remediation

Fixed in

Phpfox≥ 4.8.13

Frequently asked

Is CVE-2023-46817 being actively exploited?

CVE-2023-46817 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.81%.

How severe is CVE-2023-46817?

CVE-2023-46817 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.81% probability of exploitation.

Which products are affected by CVE-2023-46817?

Affected products include Phpfox.

How do I fix CVE-2023-46817?

Upgrade affected software to a fixed version, for example Phpfox 4.8.13 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-46817 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.