CSRF in Backupguard Jetbackup – Backup, Restore & Migrate
CVE-2020-36669
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including 1.3.9. This is due to missing nonce validation on the backup_guard_get_import_backup() function. This makes it possible for unauthenticated attackers to upload arbitrary files to the vulnerable site's server via a forged request, granted they can trick a site's administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com
- security@wordfence.com (Release Notes)
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36669?
- CVE-2020-36669 is a high-severity vulnerability in Backupguard Jetbackup – Backup, Restore & Migrate, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2023-03-07.
- How severe is CVE-2020-36669?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-36669 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.