CVE-2021-25022

UpdraftPlus < 1.16.66 - Reflected Cross-Site Scripting

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

Affected

UpdraftPlus WordPress Backup Plugin

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

1.12% chance of exploitation in the next 30 days, 66th percentile

Published

2022-01-03

Updated

2025-05-22

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/1801c7ae-2b5c-493f-969d-4bb19a9feb15

Security advisories

• https://plugins.trac.wordpress.org/changeset/2635585/updraftplus
• https://plugins.trac.wordpress.org/changeset/2637112/updraftplus

References

• CVE Record
• NVD entry