Plateforme
wordpress
Composant
theme-editor
Corrigé dans
3.2.1
CVE-2026-39640 describes a Remote Code Execution (RCE) vulnerability within the Theme Editor component. This flaw stems from a Cross-Site Request Forgery (CSRF) vulnerability allowing code injection. The vulnerability affects Theme Editor versions ranging from 0.0.0 up to and including 3.2. A fix is pending, requiring immediate mitigation strategies.
The impact of CVE-2026-39640 is severe due to its RCE nature. A successful attacker can leverage the CSRF vulnerability to inject arbitrary code into the Theme Editor, potentially gaining complete control over the affected system. This could lead to data breaches, website defacement, malware installation, and further lateral movement within the network. The ability to inject code bypasses standard security controls, making it a high-risk vulnerability. Exploitation could resemble attacks targeting other CMS plugins with CSRF vulnerabilities, allowing for privilege escalation and unauthorized access.
CVE-2026-39640 was published on 2026-04-08. The vulnerability's severity is currently pending further evaluation, but the RCE nature suggests a high potential for exploitation. Public proof-of-concept (POC) code is not yet available, but the CSRF vulnerability is well-understood, increasing the likelihood of exploitation. Monitor security advisories and threat intelligence feeds for any indications of active campaigns targeting this vulnerability.
Statut de l'Exploit
EPSS
0.01% (percentile 1%)
Vecteur CVSS
Since a fixed version is not yet available, immediate mitigation is crucial. Implement strict input validation and output encoding within the Theme Editor to prevent code injection. Employ CSRF protection mechanisms, such as using unique tokens for sensitive operations. Consider implementing a Web Application Firewall (WAF) with rules to block suspicious requests targeting the Theme Editor. Regularly review and audit the Theme Editor's code for potential vulnerabilities. Until a patch is released, restrict access to the Theme Editor to authorized personnel only.
Aucun correctif connu n'est disponible. Veuillez examiner en profondeur les détails de la vulnérabilité et mettre en œuvre des mesures d'atténuation en fonction de la tolérance au risque de votre organisation. Il peut être préférable de désinstaller le logiciel affecté et de trouver un remplacement.
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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.
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Téléverse ton fichier de dépendances et découvre instantanément si cette CVE et d'autres te touchent.