WordPress security changelog
CRITICAL CVE-2022-4774 Modified

Bit Form: Code execution

Bit Form is affected by code execution. The vulnerable path is reachable without authentication. Successful exploitation can run attacker-controlled code in the WordPress hosting account.

CVE / CNA score 9.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 9.8 CVSS 3.1 · nvd@nist.gov
Component
Bit Form
Plugin slug
bit-form
Affected
See vendor advisory
Safe version
See mitigation notes
Published
May 15, 2023
Weakness
Not assigned

This CVE was published May 15, 2023 and is one of 21 known issues for this plugin.

Update, patch or deactivate.

Update Bit Form to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Bit Form WordPress plugin before 1.9 does not validate the file types uploaded via it's file upload form field, allowing unauthenticated users to upload arbitrary files types such as PHP or HTML files to the server, leading to Remote Code Execution.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources