Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.
Metrics
Affected Vendors & Products
References
History
Fri, 14 Aug 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:nagios:nagios_core:*:*:*:*:*:*:*:* cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* |
Thu, 13 Aug 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Nagios
Nagios nagios Core Nagios nagios Xi |
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| Vendors & Products |
Nagios
Nagios nagios Core Nagios nagios Xi |
Wed, 12 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 12 Aug 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser. | |
| Title | Nagios Core / XI cmd.cgi Reflected XSS via NagFormId Parameter | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-12T16:30:02.409Z
Updated: 2026-08-14T16:49:58.532Z
Reserved: 2026-05-21T18:34:46.418Z
Link: CVE-2026-48550
Updated: 2026-08-12T18:14:21.170Z
Status : Received
Published: 2026-08-12T17:17:27.190
Modified: 2026-08-12T19:17:34.717
Link: CVE-2026-48550
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