CVE-2023-2735 Groundhogg <= 2.7.9.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated attackers can inject arbitrary web scripts via the gh_form shortcode in legacy contact forms, executing code when users view the page.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2735?
CVE-2023-2735 is a medium-severity cross-site scripting vulnerability in trainingbusinesspros Groundhogg — CRM, Newsletters, and Marketing Automation, published on 20 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Groundhogg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'gh_form' shortcode in versions up to, and including, 2.7.9.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Please note this only works with legacy contact forms.
Weakness: CWE-79
Which versions are affected by CVE-2023-2735?
It affects 1 product.
Products include Groundhogg Groundhogg.
How do I fix CVE-2023-2735?
No fix has been published for CVE-2023-2735 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-2735 being exploited?
There is no known exploitation of CVE-2023-2735 in the wild and no public exploit code.
Other vulnerabilities in trainingbusinesspros Groundhogg — CRM, Newsletters, and Marketing Automation
- CVE-2019-15647 The groundhogg plugin before 1.3.5 for WordPress has wp-admin/admin-ajax.php?action=bulk_action_listener remote code execution.
- CVE-2023-34179 WordPress Groundhogg Plugin <= 2.7.11 is vulnerable to SQL Injection
- CVE-2023-2736 Groundhogg <= 2.7.9.8 - Cross-Site Request Forgery to Privilege Escalation
- CVE-2023-1425 Groundhogg Contacts < 2.7.9.4 - Admin+ SQLi
- CVE-2024-37264 WordPress Groundhogg plugin <= 3.4.2.3 - Reflected Cross Site Scripting (XSS) vulnerability
Sources
Also known as GHSA-mmxw-6pg3-mfj3.