CVE-2021-24384

CRITICAL

JoomSport < 5.1.8 - Unauthenticated PHP Object Injection via shattr POST Parameter

Title source: llm
STIX 2.1

Description

The joomsport_md_load AJAX action of the JoomSport WordPress plugin before 5.1.8, registered for both unauthenticated and unauthenticated users, unserialised user input from the shattr POST parameter, leading to a PHP Object Injection issue. Even though the plugin does not have a suitable gadget chain to exploit this, other installed plugins could, which might lead to more severe issues such as RCE

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://wpscan.com/vulnerability/fb6c407c-713c-4e83-92ce-4e5f791be696

Scores

CVSS v3 9.8
EPSS 0.0207
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (1)
beardev/joomsport < 5.1.8
Published Jul 06, 2021
Tracked Since Feb 18, 2026