CVE-2026-90528 TDuckApp tduck-platform Form Write View index.vue cross site scripting
Remote attackers can execute arbitrary scripts via the submitShowCustomPageContent argument in the Form Write View of tduck-platform.
- 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-2026-90528?
CVE-2026-90528 is a medium-severity cross-site scripting vulnerability in TDuckApp tduck-platform, published on 13 Sep 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
A flaw has been found in TDuckApp tduck-platform up to 5.3. Affected by this vulnerability is an unknown functionality of the file tduck-front/src/views/form/write/index.vue of the component Form Write View. This manipulation of the argument submitShowCustomPageContent causes cross site scripting. The attack is possible to be carried out remotely. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-90528?
How do I fix CVE-2026-90528?
No fix has been published for CVE-2026-90528 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-2026-90528 being exploited?
There is no known exploitation of CVE-2026-90528 in the wild and no public exploit code.
Sources
Also known as GHSA-p97w-828x-xgcq.