CVE-2023-7323
Nagios Log Server < 2024R1 XSS via Create User Function
Description
Nagios Log Server versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Create User function. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.
INFO
Published Date :
Oct. 30, 2025, 10:15 p.m.
Last Modified :
Nov. 6, 2025, 4:20 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Nagios Log Server to version 2024R1 or later.
- Apply vendor-supplied patches for affected versions.
- Validate user input for malicious scripts.
- Sanitize all user-supplied input.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-7323.
| URL | Resource |
|---|---|
| https://www.nagios.com/changelog/nagios-log-server-2024r1/ | Release Notes |
| https://www.vulncheck.com/advisories/nagios-log-server-xss-via-create-user-function | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-7323 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-7323
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-7323 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-7323 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:nagios:log_server:*:*:*:*:*:*:*:* versions up to (excluding) 2024 Added Reference Type VulnCheck: https://www.nagios.com/changelog/nagios-log-server-2024r1/ Types: Release Notes Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/nagios-log-server-xss-via-create-user-function Types: Third Party Advisory -
New CVE Received by [email protected]
Oct. 30, 2025
Action Type Old Value New Value Added Description Nagios Log Server versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Create User function. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-79 Added Reference https://www.nagios.com/changelog/nagios-log-server-2024r1/ Added Reference https://www.vulncheck.com/advisories/nagios-log-server-xss-via-create-user-function