WordPress security changelog
HIGH CVE-2021-34620 Modified

Fluentform: Cross-site scripting

Fluentform is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 8.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 8.8 CVSS 3.1 · nvd@nist.gov
Component
Fluentform
Plugin slug
fluentform
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 07, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-352 — Cross-Site Request Forgery (CSRF)

This CVE was published Jul 07, 2021 and is one of 19 known issues for this plugin.

Update, patch or deactivate.

Update Fluentform 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 WP Fluent Forms plugin < 3.6.67 for WordPress is vulnerable to Cross-Site Request Forgery leading to stored Cross-Site Scripting and limited Privilege Escalation due to a missing nonce check in the access control function for administrative AJAX actions

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

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

Primary and upstream sources