CVE-2024-43793: Halo is an open source website building tool

Q: How do I fix CVE-2024-43793?

halo: upgrade to 2.19.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-43793 being exploited?

CVE-2024-43793 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-43793 affect?

CVE-2024-43793 affects halo. Severity is medium (CVSS 6.3). Halo is an open source website building tool. A security vulnerability has been identified in versions prior to 2.19.0 of the Halo project. This vulnerability allows an attacker to execute malicious scripts in the user's browser through spe

Q: How urgent is CVE-2024-43793?

Priority 33/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2024-43793 is a medium-severity flaw (CVSS 6.3) affecting halo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Halo is an open source website building tool. A security vulnerability has been identified in versions prior to 2.19.0 of the Halo project. This vulnerability allows an attacker to execute malicious scripts in the user's browser through specific HTML and JavaScript code, potentially leading to a Cross-Site Scripting (XSS) attack. This vulnerability is fixed in 2.19.0.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-09-11
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: halo

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

Am I affected?

Timeline

2024-09-11 15:15 UTCPublished CVE record published
2026-06-17 07:51 UTCUpdated Record last modified

halo halo UPGRADE

Affected: < 2.19.0

Fixed in: 2.19.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.19.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade halo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade halo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2024-43793?

halo: upgrade to 2.19.0. Exact commands for each OS are on this page.

Is CVE-2024-43793 being exploited?

CVE-2024-43793 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-2024-43793 affect?

CVE-2024-43793 affects halo. Severity is medium (CVSS 6.3). Halo is an open source website building tool. A security vulnerability has been identified in versions prior to 2.19.0 of the Halo project. This vulnerability allows an attacker to execute malicious scripts in the user's browser through spe

How urgent is CVE-2024-43793?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2025-14117 MEDIUM 4.3 DOWNGRADE A vulnerability has been found in fit2cloud Halo 2.21.10
CVE-2025-15141 LOW 3.1 UPGRADE A vulnerability was determined in Halo up to 2.21.10
CVE-2025-70886 HIGH 7.5 UPGRADE An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted paylo
CVE-2025-44595 MEDIUM 6.1 UPGRADE Halo v2.20.17 and before is vulnerable to Cross Site Scripting (XSS) in /halo_host/archives/{name}.
CVE-2025-44594 CRITICAL 9.1 UPGRADE halo v2.20.17 and before is vulnerable to server-side request forgery (SSRF) in /apis/uc.api.storage.halo.run/

References

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