Plattform
wordpress
Komponente
groundhogg
Behoben in
4.4.1
CVE-2026-40727 describes an arbitrary file deletion vulnerability affecting the Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress. This vulnerability allows authenticated attackers with Custom-level access or higher to delete arbitrary files on the server. Successful exploitation could lead to remote code execution, particularly if critical files like wp-config.php are targeted. The vulnerability impacts versions of Groundhogg up to and including 4.4, with a fix available in version 4.4.1.
The primary impact of CVE-2026-40727 is the potential for remote code execution (RCE). By deleting critical WordPress configuration files, such as wp-config.php, an attacker can gain control over the WordPress installation. This could allow them to modify website content, inject malicious code, steal sensitive data (database credentials, user information), or even completely compromise the server. The requirement for Custom-level access limits the immediate scope, but users with elevated privileges within the Groundhogg plugin are at significant risk. The ease of file deletion, coupled with the potential for RCE, makes this a serious vulnerability.
CVE-2026-40727 was publicly disclosed on 2026-04-16. No known public proof-of-concept (POC) exploits have been released at the time of writing, but the vulnerability's ease of exploitation suggests that a POC is likely to emerge. It is not currently listed on the CISA KEV catalog. Given the potential for RCE and the relatively straightforward exploitation path, this vulnerability warrants immediate attention.
WordPress websites utilizing the Groundhogg plugin, particularly those with users granted Custom-level access or higher, are at risk. Shared hosting environments where multiple WordPress installations share the same server resources are also at increased risk, as a compromise of one site could potentially lead to the compromise of others.
• wordpress / composer / npm:
grep -r 'wp_delete_file' /var/www/html/wp-content/plugins/groundhogg/• wordpress / composer / npm:
wp plugin list --status=active | grep groundhogg• wordpress / composer / npm:
wp plugin update groundhogg --all• generic web: Check WordPress access logs for requests containing suspicious file paths or deletion attempts targeting the Groundhogg plugin directory.
disclosure
Exploit-Status
CVSS-Vektor
The primary mitigation for CVE-2026-40727 is to immediately upgrade the Groundhogg plugin to version 4.4.1 or later. If upgrading is not immediately possible due to compatibility issues or breaking changes, consider restricting file access permissions on the WordPress server to limit the potential impact of a successful exploit. While not a complete solution, implementing a Web Application Firewall (WAF) with rules to block suspicious file deletion attempts can provide an additional layer of defense. Monitor Groundhogg plugin logs for unusual file deletion activity. After upgrading, verify the fix by attempting a file deletion operation with a user account possessing Custom-level access to confirm that the vulnerability has been successfully patched.
Aktualisieren Sie auf Version 4.4.1 oder eine neuere gepatchte Version
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2026-40727 is a HIGH severity vulnerability in Groundhogg CRM versions up to 4.4, allowing authenticated attackers to delete arbitrary files, potentially leading to remote code execution.
You are affected if you are using Groundhogg CRM version 4.4 or earlier. Upgrade to 4.4.1 to mitigate the risk.
Upgrade the Groundhogg plugin to version 4.4.1 or later. Consider restricting file permissions as a temporary workaround if upgrading is not immediately possible.
There is currently no evidence of active exploitation, but the vulnerability's potential impact suggests it may become a target.
Refer to the Groundhogg plugin website and WordPress.org plugin page for the latest security advisories and updates.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.