CVE-2023-6591

Name: CVE-2023-6591
Creator: NVD / NIST
Published: 2024-02-12T16:15:08.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2023-6591 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Popup Box WordPress plugin before 20.9.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

The Popup Box WordPress plugin before 20.9.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ays-Pro	Popup Box	< 20.9.0

References

https://wpscan.com/vulnerability/f296de1c-b70b-4829-aba7-4afa24f64c51/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/f296de1c-b70b-4829-aba7-4afa24f64c51/Exploit, Third Party Advisory

Timeline

Published: Feb 12, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6591?

How severe is CVE-2023-6591?

CVE-2023-6591 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6591?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6591?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST