CVE-2024-31839: Cross Site Scripting vulnerability in tiagorlampert CHAOS v.5.0.1 allows a remote attacker to escalate privile

This week

MEDIUM 4.8REMOTEDOWNGRADE

CVE-2024-31839 is a medium-severity flaw (CVSS 4.8) affecting chaos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability in tiagorlampert CHAOS v.5.0.1 allows a remote attacker to escalate privileges via the sendCommandHandler function in the handler.go component.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	8.1% (top 5%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-04-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tiagorlampert

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

Am I affected?

Timeline

2024-04-12 14:15 UTCPublished CVE record published
2026-06-17 07:28 UTCUpdated Record last modified

tiagorlampert chaos DOWNGRADE

Affected: 5.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0.1 (Debian / Ubuntu)

apt-cache madison chaos sudo apt install chaos=<VERSION_BEFORE_5.0.1> sudo apt-mark hold chaos

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

dnf --showduplicates list chaos sudo dnf downgrade chaos-<VERSION_BEFORE_5.0.1> sudo dnf versionlock add chaos

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: Chaos RAT XSS to RCE
Nuclei scan template: CHAOS 5.0.1 'sendCommandHandler' - Cross-Site Scripting

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-2024-31839?

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

Is CVE-2024-31839 being exploited?

CVE-2024-31839 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-2024-31839 affect?

CVE-2024-31839 affects chaos. Severity is medium (CVSS 4.8). Cross Site Scripting vulnerability in tiagorlampert CHAOS v.5.0.1 allows a remote attacker to escalate privileges via the sendCommandHandler function in the handler.go component.

How urgent is CVE-2024-31839?

Priority 51/100. EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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