EUVD-2026-76814
GHSA-m99c-7x2p-p8j3
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Network-reachable action needing only a subscriber account (PR:L), no interaction; unvalidated arbitrary file deletion yields high integrity/availability impact and a scope change via site takeover, with no confidentiality impact.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The WebTotem Backups WordPress plugin through 1.0.1 does not validate a user-supplied file path, does not check the capability of the user making the request, and discards the result of its own CSRF check, allowing any authenticated user, such as a subscriber, to delete arbitrary files on the server, which can lead to a site takeover.
Articles & Coverage 1
AnalysisAI
Arbitrary file deletion in the WebTotem Backups WordPress plugin (through version 1.0.1) allows any authenticated low-privilege user, including a subscriber, to delete arbitrary files on the server. The plugin fails on three fronts at once: it does not validate the user-supplied file path, performs no capability check on the requester, and discards the outcome of its own CSRF nonce check. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated account at any privilege level (subscriber is sufficient, per PR:L), reachable over the network with no user interaction. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score is 9.6 with vector AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - network-reachable, low complexity, requiring only a low-privilege (subscriber) account, no user interaction, with high integrity and availability impact and a changed scope reflecting the site-takeover potential. … 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 | No vendor-released patch version is identified in the available data (the vulnerability spans everything up to and including 1.0.1). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately deactivate and uninstall the WebTotem Backups plugin (version 1.0.1 and earlier) from all WordPress installations; no vendor-released patch identified at time of analysis. …
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External POC / Exploit Code
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