XSS in Opennms Horizon
CVE-2021-25935
In OpenNMS Horizon, versions opennms-17.0.0-1 through opennms-27.1.0-1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.7-1 are vulnerable to Stored Cross-Site Scripting, since the function `add()` performs improper validation checks on the input sent to the `foreign-source` parameter. Due to this flaw an attacker could bypass the existing regex validation and inject an arbitrary script which will be stored in the database.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.009 (56.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Opennms Horizon
- Opennms Meridian
- N/a Opennms — versions opennms-17.0.0-1 through opennms-27.1.0-1,meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1,meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.7-1
Weakness classification (CWE)
References
- vulnerabilitylab@mend.io (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilitylab@mend.io (Exploit, Third Party Advisory, x_refsource_MISC)
- vulnerabilitylab@mend.io (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25935?
- CVE-2021-25935 is a medium-severity vulnerability in Opennms Horizon, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-25.
- How severe is CVE-2021-25935?
- Medium severity. CVSS v3 base score is 5.4 out of 10.