CVE-2021-35478: nagios log_server Cross-site Scripting
Vulnerability summary
CVE-2021-35478 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in nagios log_server. EPSS estimates a 76.62% chance of exploitation in the next 30 days, higher than 99.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 27-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Nagios Log Server before 2.1.9 contains Reflected XSS in the dropdown box for the alert history and audit log function. All parameters used for filtering are affected. This affects users who open a crafted link or third-party web page.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
76.62%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 76.62% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (research.nccgroup.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nagios1 product
- log_server< 2.1.9
1 vendor · 1 product