CVE-2023-0899

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p39

Published

Apr 24, 2023 (Apr 24, 2023)

Modified

Jun 17, 2026

Description

The Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before outputting it back in the Shoutbox, leading to Stored Cross-Site Scripting which could be used against high privilege users such as admins.

Vendors: wp live chat shoutbox project
Products: wp live chat shoutbox
Ecosystems: WordPress
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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