CVE-2026-103522
In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that…
- Risk score
- 53/100
- CVSS
- 7.2 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 12 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.2 high
References
Original description
In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.
Last activity 12 Oct 2026. Patch Forecast updates every hour.