CVE-2023-0453

Name: CVE-2023-0453
Creator: NVD / NIST
Published: 2023-02-21T09:15:13.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2023-0453 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The WP Private Message WordPress plugin (bundled with the Superio theme as a required plugin) before 1.0.6 does not ensure that private messages to be accessed belong to the user making the requests. This allowing any authenticated users to access private messages belonging to other users by tampering the ID.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

The WP Private Message WordPress plugin (bundled with the Superio theme as a required plugin) before 1.0.6 does not ensure that private messages to be accessed belong to the user making the requests. This allowing any authenticated users to access private messages belonging to other users by tampering the ID.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.55%

41.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apusthemes	Wp Private Messaging	< 1.0.6

References

https://themeforest.net/item/superio-job-board-wordpress-theme/32180231Product
https://wpscan.com/vulnerability/f915e5ac-e216-4d1c-aec1-c3be11e2a6deExploit, Third Party Advisory
https://themeforest.net/item/superio-job-board-wordpress-theme/32180231Product
https://wpscan.com/vulnerability/f915e5ac-e216-4d1c-aec1-c3be11e2a6deExploit, Third Party Advisory

Timeline

Published: Feb 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0453?

How severe is CVE-2023-0453?

CVE-2023-0453 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0453?

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-2023-0453?

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

Scan your code now

Source: NVD / NIST