CVE-2026-49049
Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler
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.
- Record
CVE-2026-49049- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-40122
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.
- Record
EUVD-2026-40122- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xr7r-292v-jxg8
The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers...
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.
- Record
GHSA-xr7r-292v-jxg8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-49049- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | shinthink/CVE-2026-49049 | 2026-07-04 |
| PoC in GitHub | frada321/asdsadsadasdasdsadsad | 2026-07-05 |
| PoC in GitHub | Dr-D25/CVE-2026-49049 | 2026-07-10 |
| PoC in GitHub | ExDev994/CVE-2026-49049 | 2026-07-13 |
| PoC in GitHub | 6ickzone/Helix3-Mass-Exploiter | 2026-07-15 |
| PoC in GitHub | Jenderal92/CVE-2026-49049 | 2026-08-02 |
| PoC in GitHub | MataKucing-OFC/CVE-2026-49049 | 2026-09-12 |
| PoC in GitHub | theendofabbys/CVE-2026-49049 | 2026-10-08 |
| Nuclei | JoomShaper Helix3 <=3.1.0 - Unauthenticated Arbitrary JSON File Write |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits, facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-49049 is a high vulnerability (CVSS 7.5) in Ollyo Helix3, published June 29, 2026. EUVD reports exploitation since July 10, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.