CVE-2025-63693 Cross-site scripting in n/a
Attackers can execute arbitrary JavaScript in victims' browsers via unsanitized comment editing templates in DzzOffice.
- 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-2025-63693?
CVE-2025-63693 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security escaping for user-controllable data in multiple contexts, including HTML and JavaScript strings. This allows low-privilege attackers to construct comment content or request parameters and execute arbitrary JavaScript code when the victim opens the editing pop-up.
Weakness: CWE-94
Which versions are affected by CVE-2025-63693?
It affects 1 product.
Products include Dzzoffice Dzzoffice.
How do I fix CVE-2025-63693?
No fix has been published for CVE-2025-63693 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-2025-63693 being exploited?
There is no known exploitation of CVE-2025-63693 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5472-qhvw-4r4w.