HTTP: WordPress WPvivid Backup Plugin WPvivid_Send_to_site Arbitrary File Upload
This signature detects attempts to exploit a known vulnerability against WordPress WPvivid. A successful attack can lead to arbitrary code execution.
References
CVE: CVE-2026-1357
URL: https://wordpress.org/plugins/wpvivid-backuprestore/#developers https://github.com/LucasM0ntes/POC-CVE-2026-1357 https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/wpvivid-backuprestore/migration-backup-staging-09123-unauthenticated-arbitrary-file-upload
Short Name
HTTP:CTS:WP-WPVIIVID-SEND-FU
Severity
Critical
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
Arbitrary Backup CVE-2026-1357 File Plugin Upload WPvivid WPvivid_Send_to_site WordPress
Release Date
03/18/2026
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3892
False Positive
Rarely