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VulnerabilityPublished Updated

CVE-2026-49049: joomshaper.com Helix3 extension for Joomla · Improper Access Control

Affects joomshaper.com Helix3 extension for JoomlaSource CVE Database V5

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Exploited in the wild · public detection template (Nuclei) : restrict or disable joomshaper.com Helix3 extension for Joomla until a fix ships; watch for an update.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jun 2026

  2. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  3. Exploited in the wild: evidence found.

    Exploited per ENISA EUVD 11 days after disclosure

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, ENISA EUVD, the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
joomshaper.comHelix3 extension for JoomlaAffected
  • =1.0-3.1.1
Fixed in–

AI-suggested

Until an official fix is released, restrict access to the affected AJAX handler if possible, and monitor for suspicious activity related to file deletions or template modifications. Avoid exposing the vulnerable Helix3 extension to untrusted networks.

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.

References

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