EUVD-2026-75959
GHSA-3q5p-wcf4-wvm5
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Unauthenticated network upload-to-RCE with full host impact; scope stays within the vulnerable app (S:U), giving 9.8 rather than the input's S:C 10.0.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The teddy-bear-customize-addon WordPress plugin through 1.0.5 does not properly validate uploaded files, relying on a client-supplied content type and preserving the original filename, allowing unauthenticated attackers to upload arbitrary PHP files and execute code on the server.
Articles & Coverage 1
AnalysisAI
Unauthenticated remote code execution in the Teddy Bear Customize Addon WordPress plugin (all versions through 1.0.5) allows attackers to upload arbitrary PHP files to the server and execute code. The plugin's upload handler trusts the client-supplied MIME/content type and preserves the original attacker-controlled filename, so a request declaring an image content type while carrying a .php payload lands as an executable script in the webroot. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires only that the target WordPress site has the Teddy Bear Customize Addon plugin (version ≤1.0.5) installed and active, with its upload endpoint reachable over HTTP. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue, not a paper tiger. … 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 patched version has been identified at time of analysis - the plugin is vulnerable through its latest published release (1.0.5), so upgrading is not currently an option. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately deactivate and remove the Teddy Bear Customize Addon plugin from all WordPress installations, then verify no unauthorized PHP files remain in upload directories. …
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External POC / Exploit Code
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