What’s Vulnerable › Vulnerabilities

CVE-2021-40238

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-15 · updated 2026-06-17
• Weakness: CWE-79

Description

A Cross Site Scriptiong (XSS) vulnerability exists in the admin panel in Webuzo < 2.9.0 via an HTTP request to a non-existent page, which is activated by administrators viewing the "Error Log" page. An attacker can leverage this to achieve Unauthenticated Remote Code Execution via the "Cron Jobs" functionality of Webuzo.

Affected products

• Webuzo: before 2.9.0 — fixed in 2.9.0

How to fix

Upgrade to a fixed version: Webuzo 2.9.0. Check the vendor advisory for mitigations.

References

• https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8e
• https://www.webuzo.com/blog/webuzo-2-9-0-launched/
• https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8e
• https://www.webuzo.com/blog/webuzo-2-9-0-launched/

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