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WPvivid Backup Plugin CVE-2026-82193

| EUVDEUVD-2026-70910 MEDIUM
Path Traversal (CWE-22)
2026-09-04 WPScan GHSA-2355-wcqr-98j2
5.5
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
5.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
vuln.today AI
5.5 MEDIUM

PR:H reflects mandatory admin authentication; S:C captures out-of-webroot write; I:L and A:L match file-type-restricted write with no confidentiality exposure.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

5
Analysis Generated
Sep 04, 2026 - 13:29 vuln.today
CVSS changed
Sep 04, 2026 - 13:22 NVD
5.5 (MEDIUM)
Patch available
Sep 04, 2026 - 08:01 EUVD
CVE Published
Sep 04, 2026 - 06:00 cve.org
MEDIUM 5.5
CVE Published
Sep 04, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The WPvivid - Backup, Migration & Staging WordPress plugin before 0.9.134 does not validate a user supplied file name before using it to build a write path, allowing administrators to write files of permitted types to arbitrary locations on the server and to overwrite existing files.

AnalysisAI

Arbitrary file-write via path traversal in WPvivid - Backup, Migration & Staging WordPress plugin before 0.9.134 allows authenticated administrators to place files of permitted types at any writable server path, including locations outside the WordPress installation root. The vulnerability stems from unsanitized user-supplied filenames used directly in write-path construction (CWE-22), with scope change (S:C) confirmed by the vendor CVSS vector. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated WordPress administrator account - the CVSS PR:H metric confirms this. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The vendor CVSS vector (AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L, 5.5 Medium) reflects a meaningful but constrained risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the WPvivid - Backup, Migration & Staging plugin to version 0.9.134 or later, which validates the user-supplied filename before constructing the write path. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-82193 vulnerability details – vuln.today

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