🛡️ CVE-2026-49049 — helix3

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-284 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

CVE-2026-49049 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2026-49049 is recorded against 1 package.

  • helix3 (from 1.0 up to 3.1.1)

Timeline and source

Published on 29 June 2026 and last revised on 30 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.joomshaper.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-284
Public Exploit ✅ No
Source NVD
Published 2026-06-29
Updated 2026-08-11
Modified 2026-06-30
Fix URL N/A

Affected Packages

Software From version Fixed in
helix3 1.0 3.1.1

References

Site Security Check

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