What’s Vulnerable › Vulnerabilities

CVE-2023-0899: Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated Stored XSS

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-24 · updated 2026-06-17

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.

Affected products

• Steveas WP Live Chat Shoutbox: through 1.4.2

References

• https://wpscan.com/vulnerability/e95f925f-118e-4fa1-8e8f-9dc1bc698f12
• https://wpscan.com/vulnerability/e95f925f-118e-4fa1-8e8f-9dc1bc698f12

Get alerted when CVE-2023-0899 or the next vulnerability affects your stack