Vulnerability · Published Apr 22, 2026 · Assigned by Fluid Attacks
CVE-2026-3673Frappe Framework 16.10.0 - Stored DOM XSS in Tag Pill Renderer
Medium 4.6
In plain English
A medium-severity cross-site scripting in Frappe from Frappe. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 4.0)4.6Medium
Exploit odds (30 days)0.2%top 90.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References
- https://fluidattacks.com/es/advisories/silvio third-party-advisory
- https://github.com/frappe/frappe product