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CVE-2023-4274

MEDIUM
6.5
CVSS Score
Published: October 20, 2023 at 06:35 AM UTC
Updated: June 17, 2026 at 06:37 AM UTC
1 product affected across 1 vendorMigration Backup Staging

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

The Migration, Backup, Staging – WPvivid plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 0.9.89. This allows authenticated attackers with administrative privileges to delete the contents of arbitrary directories on the server, which can be a critical issue in a shared environments.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Migration Backup Staging· Wpvividpluginswordpress-plugin
95%
v < 0.9.900.9.89
Affected range stops below 0.9.90, so it looks safe — our inference, not a vendor statement

References (3)

Exploit
Source: [email protected]
https://plugins.trac.wordpress.org/browser/wpvivid-backuprestore/tags/0.9.89/includes/class-wpvivid-setting.php#L200
Patch
Source: [email protected]
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2956458%40wpvivid-backuprestore%2Ftrunk&old=2948265%40wpvivid-backuprestore%2Ftrunk&sfp_email=&sfph_mail=
PatchThird Party Advisory
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/5d94f38f-4b52-4b0d-800c-a6fca40bda3c?source=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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