CVE-2026-109633 Frappe ERPNext before 15.119.1 Stored XSS via Public Booking Page
Unauthenticated attackers can inject scripts via public booking pages to execute code in privileged user sessions, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-109633?
CVE-2026-109633 is a high-severity cross-site scripting vulnerability in frappe erpnext, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Frappe ERPNext before 15.119.1 and 16.x before 16.32.0 contains a stored cross-site scripting vulnerability because content submitted through a public-facing booking page is stored without neutralization. Unauthenticated attackers can submit crafted content that is rendered as raw HTML in a privileged user's session, executing script to act as that user and take over the account.
Weakness: CWE-79
Which versions are affected by CVE-2026-109633?
How do I fix CVE-2026-109633?
No fix has been published for CVE-2026-109633 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-2026-109633 being exploited?
There is no known exploitation of CVE-2026-109633 in the wild and no public exploit code.
Sources
Also known as GHSA-rcfr-6r59-hm5x, GHSA-rv4r-c8v3-3hrc.