CVE-2021-24557

Name: CVE-2021-24557
Creator: NVD / NIST
Published: 2021-08-23T12:15:10.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2021-24557 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The update functionality in the rslider_page uses an rs_id POST parameter which is not validated, sanitised or escaped before being inserted in sql query, therefore leading to SQL injection for users having Administrator role.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

The update functionality in the rslider_page uses an rs_id POST parameter which is not validated, sanitised or escaped before being inserted in sql query, therefore leading to SQL injection for users having Administrator role.

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

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Nimble3	M-Vslider	<= 2.1.3

References

https://codevigilant.com/disclosure/2021/wp-plugin-m-vslider/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/8b8e41e8-5a40-4062-b5b7-3b01b1a709efExploit, Third Party Advisory
https://codevigilant.com/disclosure/2021/wp-plugin-m-vslider/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/8b8e41e8-5a40-4062-b5b7-3b01b1a709efExploit, Third Party Advisory

Timeline

Published: Aug 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24557?

How severe is CVE-2021-24557?

CVE-2021-24557 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24557?

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-2021-24557?

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

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Source: NVD / NIST