CVE-2024-2596: Cross-Site Scripting (XSS) in AMSS++

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-18 · updated 2026-06-17
Weakness: CWE-79

Description

Vulnerability in AMSS++ version 4.31, which does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /amssplus/modules/mail/main/select_send.php, in multiple parameters. This vulnerability could allow a remote attacker to send a specially crafted URL to an authenticated user and steal their session cookie credentials.

Affected products

Amssplus AMSS++: 4.31

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-amssplus-amss
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-amssplus-amss

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