CVE-2023-4643

Name: CVE-2023-4643
Creator: NVD / NIST
Published: 2023-10-16T20:15:15.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2023-4643 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Enable Media Replace WordPress plugin before 4.1.3 unserializes user input via the Remove Background feature, which could allow Author+ users to perform PHP Object Injection when a suitable gadget is present on the blog. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

The Enable Media Replace WordPress plugin before 4.1.3 unserializes user input via the Remove Background feature, which could allow Author+ users to perform PHP Object Injection when a suitable gadget is present on the blog

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Shortpixel	Enable Media Replace	< 4.1.3

References

https://wpscan.com/vulnerability/d9125604-2236-435c-a67c-07951a1fc5b1Exploit, Third Party Advisory
https://wpscan.com/vulnerability/d9125604-2236-435c-a67c-07951a1fc5b1Exploit, Third Party Advisory

Timeline

Published: Oct 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4643?

How severe is CVE-2023-4643?

CVE-2023-4643 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4643?

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-2023-4643?

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

Scan your code now

Source: NVD / NIST