Plattform
wordpress
Komponente
theme-editor
Behoben in
3.2.1
CVE-2026-39640 describes a critical Remote Code Execution (RCE) vulnerability within the Theme Editor WordPress plugin. This vulnerability stems from a Cross-Site Request Forgery (CSRF) flaw, enabling attackers to inject malicious code. The vulnerability impacts versions from 0.0.0 up to and including 3.2. A patch is expected to address this issue.
The impact of CVE-2026-39640 is severe due to its RCE nature. A successful exploit allows an attacker to execute arbitrary code on the affected WordPress server with the privileges of the webserver user. This could lead to complete server compromise, including data exfiltration, malware installation, and defacement. The CSRF aspect means an attacker could potentially trigger this code execution without direct user interaction, making it a particularly dangerous threat. The attacker could gain full control of the WordPress installation and potentially pivot to other systems on the network if the server has access to sensitive resources.
CVE-2026-39640 was publicly disclosed on 2026-04-08. The vulnerability's severity is underscored by its CRITICAL CVSS score. Public proof-of-concept (POC) code is likely to emerge, increasing the risk of exploitation. Monitor security advisories and threat intelligence feeds for any indications of active exploitation campaigns targeting this vulnerability.
Exploit-Status
EPSS
0.01% (1% Perzentil)
CVSS-Vektor
The primary mitigation for CVE-2026-39640 is to upgrade the Theme Editor plugin to a version containing the security fix. If immediate upgrading is not possible due to compatibility issues or breaking changes, consider implementing a Web Application Firewall (WAF) rule to block requests containing suspicious CSRF tokens. Additionally, ensure that WordPress's core CSRF protection mechanisms are enabled and functioning correctly. Regularly review WordPress plugin installations and remove any unused or outdated plugins to reduce the attack surface.
Kein bekannter Patch verfügbar. Bitte überprüfen Sie die Details der Schwachstelle eingehend und setzen Sie Schutzmaßnahmen basierend auf der Risikobereitschaft Ihrer Organisation um. Es kann am besten sein, die betroffene Software zu deinstallieren und eine Alternative zu finden.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2026-39640 is a critical Remote Code Execution vulnerability in the Theme Editor plugin, allowing attackers to inject code via a Cross-Site Request Forgery (CSRF) flaw.
You are affected if you are using Theme Editor versions 0.0.0 through 3.2 and have not implemented mitigating controls like CSRF protection.
A patch is pending. Until then, implement strict input validation, output encoding, CSRF protection, and restrict access to the Theme Editor.
While no active campaigns are currently confirmed, the vulnerability's RCE nature and the well-understood CSRF technique suggest a high likelihood of exploitation.
Refer to the vendor's website and security advisories for updates on the vulnerability and any available patches.
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.