EUVD-2026-42164
GHSA-4x73-r52r-6j65
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Unauthenticated network path with both controls bypassable gives AV:N/AC:L/PR:N/UI:N; arbitrary deletion corrupts and destroys files for I:H/A:H, with no data disclosure so C:N.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
The Simple Coherent Form plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the removeUploadDir function in all versions up to, and including, 2.4.13. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The scf_get_id_upload endpoint freely issues a valid scf_upload_file_removal nonce to any unauthenticated visitor, and the removal endpoint's secondary hash check is forgeable offline because it relies on a hardcoded salt embedded in the plugin source, meaning neither control presents a real authorization boundary.
Articles & Coverage 2
AnalysisAI
Arbitrary file deletion in the Simple Coherent Form WordPress plugin (all versions up to and including 2.4.13) allows unauthenticated attackers to delete any file the web server can reach, and deleting wp-config.php can cascade into full remote code execution. The plugin's two intended access controls are illusory: the scf_get_id_upload endpoint hands a valid scf_upload_file_removal nonce to any anonymous visitor, and the secondary hash check can be reproduced offline because it derives from a salt hardcoded in the plugin source. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions beyond having the vulnerable plugin installed - remote unauthenticated exploitation works against default configurations of Simple Coherent Form 2.4.13 and earlier, because the CVSS vector is AV:N/AC:L/PR:N/UI:N and both intended controls are self-defeating: the scf_get_id_upload endpoint issues a valid scf_upload_file_removal nonce to any anonymous visitor, and the removal endpoint's secondary hash is forgeable offline from a salt hardcoded in the plugin source. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are largely consistent and point to a real, high-priority issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker requests the scf_get_id_upload endpoint on a target WordPress site running Simple Coherent Form, receiving a valid removal nonce, then computes the secondary hash offline from the salt hardcoded in the plugin source. They submit a file-removal request with a traversal path pointing at wp-config.php; deleting it drops the site into WordPress's setup state, which the attacker completes by pointing the site at an attacker-controlled database to seize administrative control and achieve code execution. … |
| Remediation | No fixed version is identified in the provided data - the references point only to the vulnerable 2.4.13 source and the Wordfence advisory, so this is 'No vendor-released patch identified at time of analysis'; monitor https://www.wordfence.com/threat-intel/vulnerabilities/id/f4831e75-dc0e-4d6f-b2cb-8498d8629319 and the plugin's WordPress.org page for a release above 2.4.13 and upgrade immediately once available. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Disable and remove Simple Coherent Form plugin (all versions ≤2.4.13) from every WordPress instance via admin console and filesystem verification. …
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External POC / Exploit Code
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