5.4

CVE-2021-24927

Exploit

My Calendar <= 3.2.17 - Subscriber+ Reflected Cross-Site Scripting

The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue
Mögliche Gegenmaßnahme
My Calendar – Accessible Event Manager: Update to version 3.2.18, or a newer patched version
Weitere Schwachstelleninformationen
SystemWordPress Plugin
≫
Produkt My Calendar – Accessible Event Manager
Version *-3.2.17
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
My Calendar Project ≫ My Calendar SwPlatformwordpress Version < 3.2.18
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.433
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.4 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:P/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.