CVE-2020-16157
A Stored XSS vulnerability exists in Nagios Log Server before 2.1.7 via the Notification Methods -> Email Users menu.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
A Stored XSS vulnerability exists in Nagios Log Server before 2.1.7 via the Notification Methods -> Email Users menu.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 14.41% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- nagios/log server
- Source
- cve@mitre.org
EPSS 14.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/158992/Nagios-Log-Server-2.1.6-Cross-Site-Scripting.htmlBroken Link, Exploit, Third Party Advisory, VDB Entry
- https://www.getastra.com/blog/911/stored-xss-vulnerability-nagios-log-server/Third Party Advisory
- https://www.jinsonvarghese.com/stored-xss-vulnerability-in-nagios-log-server/Third Party Advisory
- https://www.nagios.com/downloads/nagios-log-server/change-log/Release Notes, Vendor Advisory
- http://packetstormsecurity.com/files/158992/Nagios-Log-Server-2.1.6-Cross-Site-Scripting.htmlBroken Link, Exploit, Third Party Advisory, VDB Entry
- https://www.getastra.com/blog/911/stored-xss-vulnerability-nagios-log-server/Third Party Advisory
- https://www.jinsonvarghese.com/stored-xss-vulnerability-in-nagios-log-server/Third Party Advisory
- https://www.nagios.com/downloads/nagios-log-server/change-log/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.