WordPress plugin

ark-commenteditor <= 2.15.6 — iframe Injection

CVE-2021-4227Published Sep 23, 2021 · Updated Nov 13, 2026

Affected: ≤2.15.6No patch available

What to do until a fix ships

Watch plugin

Severity

High7.2

CVSS

7.2

CVSS 3.1 · CNA (Wordfence)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What does this vector mean?

AV:N Attack vector: Network
AC:L Attack complexity: Low
PR:N Privileges required: None
UI:N User interaction: None
S:C Scope: Changed
C:L Confidentiality: Low
I:L Integrity: Low
A:N Availability: None

Weakness

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Required access

No account needed

Exploit prediction (EPSS)

No score

CISA KEV

Not listed

On this page7

Am I affected?

ark-commenteditor ark-wysiwyg-comment-editor

Affected≤ 2.15.6
PatchedNo fix yet

You are affected if you run ≤ 2.15.6. No fixed version has been released.

Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ark-commenteditor.
No admin access? Run a passive check of your site. It reads public files only.
No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
Watch ark-commenteditor to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Rasi Afeef.

The ark-commenteditor plugin for WordPress is vulnerable to iFrame Injection in versions up to, and including 2.15.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject iFrame elements in comments that will load pages from any source.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Advisorywordfence.com

Timeline

Sep 23, 2021
CVE published
Severity high, CVSS 7.2
Nov 13, 2026
Record last updated

Sources & licenses

Wordfence record

Vulnerability data: Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers: [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE: National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.

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