What’s Vulnerable › Vulnerabilities

CVE-2020-10103

• Severity: medium (CVSS 5.4 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: none known
• Published: 2020-03-05 · updated 2026-06-17
• Weakness: CWE-79

Description

An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the File Upload functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens a specially crafted link to the uploaded file with an active Zammad session.

Affected products

• zammad: from 1.0.0 through 3.2.0

References

• https://zammad.com/news/security-advisory-zaa-2020-02
• https://zammad.com/news/security-advisory-zaa-2020-02

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