CVE-2023-3155

Name: CVE-2023-3155
Creator: NVD / NIST
Published: 2023-10-16T20:15:14.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2023-3155 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The WordPress Gallery Plugin WordPress plugin before 3.39 is vulnerable to Arbitrary File Read and Delete due to a lack of input parameter validation in the `gallery_edit` function, allowing an attacker to access arbitrary resources on the server.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

The WordPress Gallery Plugin WordPress plugin before 3.39 is vulnerable to Arbitrary File Read and Delete due to a lack of input parameter validation in the `gallery_edit` function, allowing an attacker to access arbitrary resources on the server.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.81%

52.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-552

Affected Software

Vendor	Product	Versions
Imagely	Nextgen Gallery	< 3.39

References

https://wpscan.com/vulnerability/5c8473f4-4b52-430b-9140-b81b0a0901daExploit, Third Party Advisory
https://wpscan.com/vulnerability/5c8473f4-4b52-430b-9140-b81b0a0901daExploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-3155?

How severe is CVE-2023-3155?

CVE-2023-3155 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3155?

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-2023-3155?

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

Scan your code now

Source: NVD / NIST