CVE-2021-25022

Public Exploit
UpdraftPlus < 1.16.66 - Reflected Cross-Site Scripting

Description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.16.66 does not sanitise and escape the backup_timestamp and job_id parameter before outputting then back in admin pages, leading to Reflected Cross-Site Scripting issues

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Third-Party Advisory wordpress.org Third-Party Advisory wordpress.org Third-Party Advisory wpscan.com
Affected: Unknown UpdraftPlus WordPress Backup Plugin
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/1801c7ae-2b5c-493f-969d-4bb19a9feb15 exploit third party advisory
https://plugins.trac.wordpress.org/changeset/2635585/updraftplus patch third party advisory
https://plugins.trac.wordpress.org/changeset/2637112/updraftplus patch third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-25022?
CVE-2021-25022 has been scored as a medium severity vulnerability.
How to fix CVE-2021-25022?
To fix CVE-2021-25022, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-25022 being actively exploited in the wild?
It is possible that CVE-2021-25022 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25022?
CVE-2021-25022 affects Unknown UpdraftPlus WordPress Backup Plugin.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.