Arbitrary file upload in Wpvividplugins Wpvivid — Backup, Migration & Staging

CVE-2026-1357

The Migration, Backup, Staging – WPvivid Backup & Migration plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Upload in versions up to and including 0.9.123. This is due to improper error handling in the RSA decryption p…

Vulnerability class: Unrestricted File Upload

EPSS: 0.327 (98.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-1357?
CVE-2026-1357 is a critical-severity vulnerability in Wpvividplugins Wpvivid — Backup, Migration & Staging, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-02-11.
How severe is CVE-2026-1357?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-1357 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.