CVE-2026-31879 Frappe Workspace modification and stored XSS due to improper resource ownership checks
Attackers can inject malicious scripts into other users' private workspaces, leading to stored XSS and potential data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-31879?
CVE-2026-31879 is a medium-severity cross-site scripting vulnerability in frappe, published on 11 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Frappe is a full-stack web application framework. Prior to 14.100.2, 15.101.0, and 16.10.0, due to a lack of validation and improper permission checks, users could modify other user's private workspaces. Specially crafted requests could lead to stored XSS here. This vulnerability is fixed in 14.100.2, 15.101.0, and 16.10.0.
Weakness: CWE-79
Which versions are affected by CVE-2026-31879?
It affects 1 product.
Products include Frappe Frappe.
How do I fix CVE-2026-31879?
No fix has been published for CVE-2026-31879 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-2026-31879 being exploited?
There is no known exploitation of CVE-2026-31879 in the wild and no public exploit code.
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-qmhf-rgx2-8p25.