CVE-2021-24426

Name: CVE-2021-24426
Creator: NVD / NIST
Published: 2021-07-12T20:15:09.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2021-24426 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Web-Dorado	Backup-Wd	<= 1.0.20

References

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24426?

How severe is CVE-2021-24426?

CVE-2021-24426 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24426?

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-2021-24426?

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

Scan your code now

Source: NVD / NIST