CVE-2023-5821

Name: CVE-2023-5821
Creator: NVD / NIST
Published: 2023-10-27T12:15:09.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2023-5821 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Thumbnail carousel slider plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.0. This is due to missing nonce validation on the deleteselected function. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

The Thumbnail carousel slider plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.0. This is due to missing nonce validation on the deleteselected function. This makes it possible for unauthenticated attackers to delete sliders in bulk via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.28%

19.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
I13websolution	Thumbnail Carousel Slider	1.0

References

https://plugins.trac.wordpress.org/changeset/1263536/wp-responsive-slider-with-lightbox/trunk/wp-responsive-slider-with-lightbox.phpThird Party Advisory
https://wordpress.org/plugins/wp-responsive-thumbnail-sliderThird Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/bde75c5a-b0b7-4f26-91e9-dd4816e276c9?source=cveThird Party Advisory
https://plugins.trac.wordpress.org/changeset/1263536/wp-responsive-slider-with-lightbox/trunk/wp-responsive-slider-with-lightbox.phpThird Party Advisory
https://wordpress.org/plugins/wp-responsive-thumbnail-sliderThird Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/bde75c5a-b0b7-4f26-91e9-dd4816e276c9?source=cveThird Party Advisory

Timeline

Published: Oct 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5821?

How severe is CVE-2023-5821?

CVE-2023-5821 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5821?

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-2023-5821?

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

Scan your code now

Source: NVD / NIST