CVE-2021-24854

Name: CVE-2021-24854
Creator: NVD / NIST
Published: 2021-11-17T11:15:08.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-24854 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The QR Redirector WordPress plugin before 1.6.1 does not sanitise and escape some of the QR Redirect fields, which could allow users with a role as low as Contributor perform Stored Cross-Site Scripting attacks.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

The QR Redirector WordPress plugin before 1.6.1 does not sanitise and escape some of the QR Redirect fields, which could allow users with a role as low as Contributor perform Stored Cross-Site Scripting attacks.

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

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Qr Redirector Project	Qr Redirector	< 1.6.1

References

https://wpscan.com/vulnerability/0d422397-69ff-4d05-aafa-7a572e460e5fExploit, Third Party Advisory
https://wpscan.com/vulnerability/0d422397-69ff-4d05-aafa-7a572e460e5fExploit, Third Party Advisory

Timeline

Published: Nov 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24854?

How severe is CVE-2021-24854?

CVE-2021-24854 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24854?

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-2021-24854?

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

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Source: NVD / NIST