CVE-2021-4227: ark wysiwyg Injection — Exploit

Description

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

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-74 CWE-74

Affected Products

Vendor	Product	Versions
obg	ark_wysiwyg_comment_editor	< 2.15.6

References

Exploits

https://wpscan.com/vulnerability/8d015eba-31dc-44cb-a051-4e95df782b75/ https://wpscan.com/vulnerability/8d015eba-31dc-44cb-a051-4e95df782b75/

Frequently Asked Questions

What is CVE-2021-4227? +

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 It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-4227? +

CVE-2021-4227 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2021-4227? +

CVE-2021-4227 affects products from obg, specifically: ark_wysiwyg_comment_editor. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-4227? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2021-4227