What’s Vulnerable › Vulnerabilities

CVE-2020-25138

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-25 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in Observium Professional, Enterprise & Community 20.8.10631. It is vulnerable to Cross-Site Scripting (XSS) due to the fact that it is possible to inject and store malicious JavaScript code within it. This can occur via /alert_check/action=delete_alert_checker/alert_test_id= because of pages/alert_check.inc.php.

Affected products

• Observium: 20.8.10631

References

• https://gist.github.com/mariuszpoplawski/bfb6dea73586dbb668d280d412ecb6d8
• https://gist.github.com/mariuszpoplawski/bfb6dea73586dbb668d280d412ecb6d8

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