CVE-2011-1523

4.3 MEDIUM 3% exploit odds Fix listed

What it is

Cross-site scripting (XSS) vulnerability in statusmap.c in statusmap.cgi in Nagios 3.2.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the layer parameter.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 2.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2011-05-03 19:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:29 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.9% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2011-05-03 19:55 UTC
Last modified: 2026-06-16 23:29 UTC
Exploit probability: 2.9% · EPSS, next 30 days
Weakness: CWE-79 · Cross-site scripting
Record status: Modified

Affected

Nagios ≤ 3.2.3
Nagios 1.0
Nagios 1.0_b1
Nagios 1.0_b2
Nagios 1.0_b3
Nagios 1.0b1
Nagios 1.0b2
Nagios 1.0b3

Attack profile CVSS 2.0 · 4.3

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Raw vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2011-1523.md and follow it. Check whether this project is affected by CVE-2011-1523. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record