CVE-2024-47140: A cross-site scripting (xss) vulnerability exists in the add_alert_check page of Observium CE 24.4.13528

This month

HIGH 8.7DOWNGRADE

CVE-2024-47140 is a high-severity flaw (CVSS 8.7) affecting observium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (xss) vulnerability exists in the add_alert_check page of Observium CE 24.4.13528. A specially crafted HTTP request can lead to a arbitrary javascript code execution. An authenticated user would need to click a malicious link provided by the attacker.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-01-15
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: observium

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-15 15:15 UTCPublished CVE record published
2026-06-17 07:56 UTCUpdated Record last modified

observium observium DOWNGRADE

Affected: 24.4.13528

Fixed in: no fixed release known

Safe to downgrade to: a release before 24.4.13528

1. Check installed version

apt-cache policy observium || rpm -q observium || observium --version

2. No fixed release: DOWNGRADE to a release before 24.4.13528 (Debian / Ubuntu)

apt-cache madison observium sudo apt install observium=<VERSION_BEFORE_24.4.13528> sudo apt-mark hold observium

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list observium sudo dnf downgrade observium-<VERSION_BEFORE_24.4.13528> sudo dnf versionlock add observium

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-47140?

observium: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-47140 being exploited?

CVE-2024-47140 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-47140 affect?

CVE-2024-47140 affects observium. Severity is high (CVSS 8.7). A cross-site scripting (xss) vulnerability exists in the add_alert_check page of Observium CE 24.4.13528. A specially crafted HTTP request can lead to a arbitrary javascript code execution. An authenticated user would need to click a malici

How urgent is CVE-2024-47140?

Priority 49/100. High severity; Public exploit reference

Related CVEs

CVE-2024-47002 HIGH 8.7 DOWNGRADE A html code injection vulnerability exists in the vlan management part of Observium CE 24.4.13528
CVE-2024-45061 HIGH 8.7 DOWNGRADE A cross-site scripting (xss) vulnerability exists in the weather map editor functionality of Observium CE 24.4

References

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