Known vulnerabilities in JetBackup – Backup, Restore & Migrate

Backup, restore, and migrate WordPress sites fast. Supports TAR, remote backups, multi schedules, and full multisite compatibility.

12Reported vulnerabilities

8.8Highest CVSS score

3.1.23.3Latest version

200,000+Active installs

What to do now

Update JetBackup – Backup, Restore & Migrate to 3.1.23.5 or later. 12 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 3, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-24155	High 7.2	84.1%	Before 1.6.0	`1.6.0`	April 5, 2021
CVE-2023-7165	High 7.5	1.9%	Before 2.0.9.9	`2.0.9.9`	February 27, 2024
CVE-2020-36669	High 8.8	0.4%	1.3.9 and earlier	`1.4.0`	March 7, 2023
WF-7ee267ff-b650-44a5-994b-3a22d34722e8	High 8.8	—	Before 1.0.3	`1.0.3`	February 15, 2016
CVE-2026-19453	Medium 6.3	0.2%	3.1.7.9 to 3.1.23.3 (inclusive)	`3.1.23.5`	September 3, 2026
CVE-2017-18488	Medium 6.1	0.9%	Before 1.1.47	`1.1.47`	August 13, 2019
CVE-2017-10837	Medium 6.1	0.9%	1.1.46 and earlier	`1.1.47`	August 24, 2017
CVE-2020-36667	Medium 5.4	0.5%	1.4.0 and earlier	`1.4.1`	March 7, 2023
CVE-2022-34148	Medium 5.5	0.4%	1.6.9 and earlier	`1.6.9.1`	October 27, 2022
CVE-2026-4853	Medium 4.9	0.6%	0 to 3.1.19.8 (inclusive)	`3.1.20.3`	April 17, 2026
CVE-2026-19454	Medium 4.9	0.2%	3.1.18.8 to 3.1.23.3 (inclusive)	`3.1.23.5`	August 25, 2026
CVE-2020-36668	Medium 4.3	0.6%	1.4.0 and earlier	`1.4.1`	March 7, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.