Privilege escalation in All-In-One Wp Migration And Backup

CVE-2026-81810

The All-in-One WP Migration and Backup WordPress plugin before 7.111 does not perform any capability check on several of its AJAX actions, gating them only on an installation-wide secret which it discloses to any user permitted to export the site, allowing such a user to import an arbitrary site archive and gain administrator access. Exploitation requires an administrator to have granted the export capability to a role that does not hold the All-in-One WP Migration and Backup WordPress plugin before 7.111's own import capability, which is not a default configuration.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-81810: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • All-In-One Wp Migration And Backup

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-81810?
CVE-2026-81810 is a high-severity vulnerability in All-In-One Wp Migration And Backup, classified under Improper Privilege Management. CVSS score: 7.2/10. Published 2026-09-18.
How severe is CVE-2026-81810?
High severity. CVSS v3 base score is 7.2 out of 10.