XSS in Observium
CVE-2020-25138
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Observium — versions 20.8.10631
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gist.github.com/mariuszpoplawski/bfb6dea73586dbb668d280d412ecb6d8 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25138?
- CVE-2020-25138 is a medium-severity vulnerability in Observium, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-09-25.
- How severe is CVE-2020-25138?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-25138 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.