CVE-2023-5133

Name: CVE-2023-5133
Creator: NVD / NIST
Published: 2023-10-16T20:15:17.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2023-5133 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. This user-activity-log-pro WordPress plugin before 2.3.4 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

This user-activity-log-pro WordPress plugin before 2.3.4 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.55%

41.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Solwininfotech	User Activity Log	< 2.3.4

References

https://wpscan.com/vulnerability/36c30e54-75e4-4df1-b01a-60c51c0e76a3Exploit, Third Party Advisory
https://wpscan.com/vulnerability/36c30e54-75e4-4df1-b01a-60c51c0e76a3Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-5133?

How severe is CVE-2023-5133?

CVE-2023-5133 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5133?

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-2023-5133?

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

Scan your code now

Source: NVD / NIST