CVE-2026-78075 Joomla Extension - joomshaper.com - Broken Object-Level Authorization in Blog Image Deletion in Helix Ultimate < 2.2.10
An attacker can delete arbitrary files in the images directory by bypassing object-level authorization checks during blog image deletion.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78075?
CVE-2026-78075 is a medium-severity missing authorization vulnerability in joomshaper.com Helix Ultimate extension for Joomla, published on 31 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Joomla Extension - joomshaper.com - Broken Object-Level Authorization in Blog Image Deletion in Helix Ultimate < 2.2.10 - `Blog::remove_image()` checked whether the user was authorized to edit the article ID passed in the request, but did not verify whether the specified image path (src) belonged to that article. On Joomla 3 builds where physical file deletion was triggered, an author could supply their own article ID alongside an arbitrary file path under the `/images/` directory to delete arbitrary files.
Weakness: CWE-639
Which versions are affected by CVE-2026-78075?
How do I fix CVE-2026-78075?
No fix has been published for CVE-2026-78075 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-78075 being exploited?
There is no known exploitation of CVE-2026-78075 in the wild and no public exploit code.
Sources
Also known as GHSA-39w7-gh54-79cf.