CVE-2023-5307

Name: CVE-2023-5307
Creator: NVD / NIST
Published: 2023-10-31T14:15:12.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2023-5307 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Photos and Files Contest Gallery WordPress plugin before 21.2.8.1 does not sanitise and escape some parameters, which could allow unauthenticated users to perform Cross-Site Scripting attacks via certain headers.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

The Photos and Files Contest Gallery WordPress plugin before 21.2.8.1 does not sanitise and escape some parameters, which could allow unauthenticated users to perform Cross-Site Scripting attacks via certain headers.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Contest-Gallery	Contest Gallery	< 21.2.8.1

References

https://research.cleantalk.org/cve-2023-5307-photos-and-files-contest-gallery-contact-form-21-2-8-1-unauthenticated-stored-xss-via-http-headersExploit, Third Party Advisory
https://wpscan.com/vulnerability/6fac1e09-21ab-430d-b56d-195e7238c08cExploit, Third Party Advisory
https://research.cleantalk.org/cve-2023-5307-photos-and-files-contest-gallery-contact-form-21-2-8-1-unauthenticated-stored-xss-via-http-headersExploit, Third Party Advisory
https://wpscan.com/vulnerability/6fac1e09-21ab-430d-b56d-195e7238c08cExploit, Third Party Advisory

Timeline

Published: Oct 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5307?

How severe is CVE-2023-5307?

CVE-2023-5307 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5307?

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-2023-5307?

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

Scan your code now

Source: NVD / NIST