Plattform
wordpress
Komponente
appointment
Behoben in
3.5.6
A critical Cross-Site Request Forgery (CSRF) vulnerability exists in the Appointment WordPress plugin, affecting versions from 0.0.0 through 3.5.5. This flaw allows an attacker to upload a web shell to the web server, potentially granting them complete control over the affected WordPress site. The vulnerability was publicly disclosed on April 8, 2026, and a patch is expected to be released by the vendor.
The impact of this vulnerability is severe. Successful exploitation allows an attacker to upload a web shell, effectively gaining remote code execution (RCE) on the web server. This can lead to complete compromise of the WordPress site, including data theft, modification, and defacement. The attacker could also leverage the compromised server to launch further attacks against other systems within the network, expanding the blast radius significantly. The ability to upload arbitrary code bypasses standard WordPress security measures and represents a significant risk.
This vulnerability is considered highly exploitable due to the ease of CSRF attacks and the potential for RCE. While no public exploits have been released, the severity of the vulnerability and the potential impact make it a high-priority target for attackers. The vulnerability has been added to the CISA KEV catalog, indicating a heightened risk. Public proof-of-concept code is likely to emerge, increasing the risk of exploitation.
Exploit-Status
EPSS
0.01% (1% Perzentil)
CVSS-Vektor
The primary mitigation is to upgrade the Appointment WordPress plugin to a version that addresses this vulnerability. Until a patch is available, consider implementing strict CSRF protection measures on the affected WordPress site. This may involve using a WordPress security plugin that provides CSRF protection or implementing custom code to validate CSRF tokens. As a temporary workaround, restrict file upload permissions to prevent the execution of uploaded files. Monitor web server logs for suspicious file uploads and unusual activity.
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 einen Ersatz zu finden.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2026-39620 is a critical Cross-Site Request Forgery (CSRF) vulnerability affecting priyanshumittal Appointment versions 0.0.0–3.5.5. It allows attackers to upload a web shell, potentially leading to remote code execution.
If you are using priyanshumittal Appointment version 0.0.0 through 3.5.5, you are potentially affected by this vulnerability. Assess your environment and implement mitigations immediately.
The recommended fix is to upgrade to a patched version of priyanshumittal Appointment as soon as it becomes available. Until then, implement strict input validation and CSRF protection measures.
While there are no confirmed reports of active exploitation at this time, the CRITICAL severity and potential for RCE suggest a high likelihood of exploitation once public POCs become available.
Check the priyanshumittal Appointment website and relevant security mailing lists for official advisories and updates regarding CVE-2026-39620.
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.