CVE-2023-5237

Name: CVE-2023-5237
Creator: NVD / NIST
Published: 2023-10-31T14:15:12.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2023-5237 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Memberlite Shortcodes WordPress plugin before 1.3.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

The Memberlite Shortcodes WordPress plugin before 1.3.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.45%

35.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Strangerstudios	Memberlite Shortcodes	< 1.3.9

References

https://research.cleantalk.org/cve-2023-5237-memberlite-shortcodes-stored-xss-via-shortcodeExploit, Third Party Advisory
https://wpscan.com/vulnerability/a46d686c-6234-4aa8-a656-00a65c55d0b0Exploit, Third Party Advisory
https://research.cleantalk.org/cve-2023-5237-memberlite-shortcodes-stored-xss-via-shortcodeExploit, Third Party Advisory
https://wpscan.com/vulnerability/a46d686c-6234-4aa8-a656-00a65c55d0b0Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-5237?

How severe is CVE-2023-5237?

CVE-2023-5237 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5237?

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-2023-5237?

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

Scan your code now

Source: NVD / NIST