BackWPup – WordPress Backup & Restore Plugin vulnerabilities
Plugin slug backwpup · 16 known vulnerabilities · latest disclosed 2026-10-08 · WordPress.org page
Every listed vulnerability has a fix. Version 5.7.7 or later is not affected by any of them. If your site runs an older version, update it.
8 of 16 rated high or critical (CVSS 7 or more).
Known vulnerabilities in BackWPup – WordPress Backup & Restore Plugin
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.3 | < 5.7.7 | 5.7.7 | CVE-2026-86826 | 2026-10-08 | Advisory |
| Medium 5.3 | 3.3 to 5.7.6 | 5.7.7 | CVE-2026-86827 | 2026-10-08 | Advisory |
| Medium 4.9 | < 5.7.7 | 5.7.7 | CVE-2026-86828 | 2026-10-08 | Advisory |
| Medium 4.3 | 5.2.2 to 5.7.4 | 5.7.5 | CVE-2026-86815 | 2026-09-11 | Advisory |
| High 7.2 | <= 5.7.4 | 5.7.5 | CVE-2026-65443 | 2026-07-27 | Advisory |
| High 7.2 | <= 5.6.6 | 5.6.7 | CVE-2026-6227 | 2026-04-13 | Advisory |
| High 7.2 | 5.0.0 to 5.6.2 | 5.6.3 | CVE-2025-15041 | 2026-02-18 | Advisory |
| Medium 5.3 | 5 to 5.5.0 | 5.5.1 | CVE-2025-10579 | 2025-10-24 | Advisory |
| Medium 6.8 | <= 4.0.1 | 4.0.2 | CVE-2023-5505 | 2024-08-16 | Advisory |
| Low 2.2 | <= 4.0.2 | 4.0.3 | CVE-2023-5775 | 2024-02-23 | Advisory |
| High 7.5 | <= 4.0.3 | 4.0.4 | CVE-2023-7164 | 2023-12-18 | Advisory |
| High 8.7 | <= 4.0.1 | 4.0.2 | CVE-2023-5504 | 2023-11-22 | Advisory |
| High 7.5 | < 3.4.2 | 3.4.2 | CVE-2017-2551 | 2017-09-08 | Advisory |
| Medium 6.1 | < 3.0.13 | 3.0.13 | CVE-2013-4626 | 2013-08-21 | Advisory |
| Critical 9.8 | <= 1.7.1 | 1.7.2 | CVE-2011-4342 | 2011-03-28 | Advisory |
| High 7.5 | < 1.4.1 | 1.4.1 | CVE-2011-5208 | 2011-03-02 | Advisory |
Check if a site is affected
Enter a site address to see which version of BackWPup – WordPress Backup & Restore Plugin and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the BackWPup – WordPress Backup & Restore Plugin plugin safe to use?
All 16 known issues are fixed in current versions (5.7.7 or later). Keeping it updated is what matters.
How do I check which version of BackWPup – WordPress Backup & Restore Plugin my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.