Quick answers
- Is CVE-2026-5615 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-5615 being exploited in the wild.
- How severe is CVE-2026-5615?
- Medium severity, with a CVSS score of 4.3, published 6 April 2026.
- Which products and versions are affected?
- Givanz VvvebJs up to 2.0.5.
- Is there a fix for CVE-2026-5615?
- A patch was published on 2026-04-06. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-5615 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-5615?
- Check whether you run Givanz VvvebJs at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A cross-site scripting (XSS) vulnerability exists in the upload.php file of the Vvvebjs File Upload Endpoint. The root cause is the inclusion of the 'svg' extension in the $uploadAllowExtensions whitelist, which allows attackers to upload SVG files containing malicious JavaScript. When a user or administrator views the uploaded file, the script executes in the context of their browser session. This is a remote attack requiring minimal user interaction. The issue has been addressed in commit 8cac22cff99b8bc701c408aa8e887fa702755336 by removing 'svg' from the allowed extensions list.
Affected products
- givanz Vvvebjs up to 2.0.5
Timeline
- 2026-04-06: disclosed
- 2026-04-06: advisory
- 2026-04-06: patched