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TI-2021-03088 Aliases CVE-2021-4227GHSA-h3w7-w9rh-w829

Ark Comment Editor <= 2.15.6 - Iframe Injection via Comment

Priority MEDIUM 63CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The ark-commenteditor WordPress plugin through 2.15.6 does not properly sanitise or encode the comments when in Source editor, allowing attackers to inject an iFrame in the page and thus load arbitrary content from any page to the comment section

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00608 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Unknownark-commenteditorup to 2.15.6—No fix listedCNA
  • ark-commenteditor VendorUnknown Affected up to 2.15.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:obg:ark_wysiwyg_comment_editor:*:*:*:*:*:wordpress:*:*up to 2.15.6VulnerableObg
  • cpe:2.3:a:obg:ark_wysiwyg_comment_editor:*:*:*:*:*:wordpress:*:* Versions up to 2.15.6 Vulnerable ·Obg

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4227
  2. 2026-10-03 Alias added: GHSA-h3w7-w9rh-w829

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences