Duplicate Post vulnerabilities
Plugin slug copy-delete-posts · 8 known vulnerabilities · latest disclosed 2026-09-30 · WordPress.org page
Every listed vulnerability has a fix. Version 1.5.7 or later is not affected by any of them. If your site runs an older version, update it.
0 of 8 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Duplicate Post
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 1.5.6 | 1.5.7 | CVE-2026-89424 | 2026-09-30 | Advisory |
| Medium 4.3 | < 1.5.6 | 1.5.6 | CVE-2026-19085 | 2026-08-24 | Advisory |
| Medium 4.3 | < 1.5.6 | 1.5.6 | CVE-2026-19435 | 2026-08-24 | Advisory |
| Medium 4.3 | <= 1.4.4 | 1.4.5 | CVE-2024-31435 | 2024-04-10 | Advisory |
| Medium 6.3 | <= 1.4.1 | 1.4.2 | none | 2023-08-03 | Advisory |
| Medium 4.3 | <= 1.3.9 | 1.4.0 | CVE-2023-3977 | 2023-07-27 | Advisory |
| Medium 4.3 | <= 1.3.9 | 1.4.0 | CVE-2023-0958 | 2023-07-27 | Advisory |
| Medium 6.5 | < 1.2.0 | 1.2.0 | CVE-2021-43408 | 2021-10-19 | Advisory |
Check if a site is affected
Enter a site address to see which version of Duplicate Post and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Duplicate Post plugin safe to use?
All 8 known issues are fixed in current versions (1.5.7 or later). Keeping it updated is what matters.
How do I check which version of Duplicate Post 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.