yootheme.com YOOtheme Pro extension for Joomla Unrestricted File Upload Flaw (CVE-2026-102785) Rated CVSS 10
A newly published critical vulnerability in yootheme.com YOOtheme Pro extension for Joomla carries a CVSS score of 10. Here is what is affected and how to respond.
Key points
- CVE-2026-102785 affects yootheme.com YOOtheme Pro extension for Joomla.
- CVSS 10 (Critical).
- No exploitation confirmed yet.
A critical unrestricted file upload tracked as CVE-2026-102785 has been published in the National Vulnerability Database for yootheme.com YOOtheme Pro extension for Joomla, with a CVSS base score of 10.
At a glance
- CVE
- CVE-2026-102785
- Product
- yootheme.com YOOtheme Pro extension for Joomla
- CVSS
- 10 Critical
- Weakness
- unrestricted file upload
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: Joomla Extension - yootheme.com - Unauthenticated remote code execution in YOOtheme Pro 5.0.0-5.0.52 - YOOtheme Pro’s publicly accessible image transformation handler incompletely binds normalized image operations and the output destination to its request signature. An unauthenticated remote attacker can reuse a signature disclosed in a legitimate public image URL, inject additional image operations, traverse out of the intended cache directory, and write an attacker-controlled PNG/PHP polyglot to an executable public media directory.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Yootheme.Com | YOOtheme Pro extension for Joomla | 5.0.0-5.0.52 |
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-102785
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-102785?
CVE-2026-102785 is a unrestricted file upload vulnerability in yootheme.com YOOtheme Pro extension for Joomla.
How severe is CVE-2026-102785?
It has a CVSS score of 10 Critical.
Is CVE-2026-102785 being exploited?
There is no public confirmation of exploitation at the time of publication.
