CVE-2026-3673 Frappe Framework 16.10.0 - Stored DOM XSS in Tag Pill Renderer
An authenticated attacker can execute arbitrary JavaScript in a victim's browser by storing malicious tags in the Frappe Framework.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-3673?
CVE-2026-3673 is a medium-severity cross-site scripting vulnerability in Frappe, published on 22 Apr 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
An authenticated attacker can store a crafted tag value in _user_tags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects Frappe: 16.10.10.
Weakness: CWE-79
Which versions are affected by CVE-2026-3673?
It affects 1 product.
Products include Frappe Frappe.
How do I fix CVE-2026-3673?
No fix has been published for CVE-2026-3673 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-3673 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3673 exists.
Other vulnerabilities in Frappe
- CVE-2019-14965 Code injection in n/a
- CVE-2026-35614 Frappe has a SQL injection in bulk_update
- CVE-2026-31877 Frappe SQL Injection due to improper field sanitization
- CVE-2025-68929 Frappe may be vulnerable remote code execution due to server-side template injection
- CVE-2019-14966 SQL injection in n/a
Sources
Also known as GHSA-qg6x-fw6m-9qrp.