VulnerabilityModified
CVE-2020-10821
Nagios XI 5.6.11 allows XSS via the account/main.php theme parameter.
MEDIUM 4.8EPSS 71.1%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Nagios XI 5.6.11 allows XSS via the account/main.php theme parameter.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 71.13% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- nagios/nagios xi
- Source
- cve@mitre.org
EPSS 71.1% since 3 November 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
- https://code610.blogspot.com/2020/03/nagios-5611-xssd.htmlExploit, Third Party Advisory
- https://code610.blogspot.com/2020/03/nagios-5611-xssd.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.