CVE-2026-2677 Multiple vulnerabilities in A3factura software
Reflected XSS in A3factura allows attackers to execute arbitrary code in victims' browsers via the name parameter.
- 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-2026-2677?
CVE-2026-2677 is a medium-severity cross-site scripting vulnerability in A3factura, published on 26 Feb 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
Reflected Cross-Site Scripting (XSS) on the A3factura web platform, in parameter 'name', in 'a3factura-app.wolterskluwer.es/#/incomes/representatives-management' endpoint, which could allow an attacker to execute arbitrary code in the victim's browser.
Weakness: CWE-79
Which versions are affected by CVE-2026-2677?
It affects 1 product.
Products include Wolterskluwer A3factura.
How do I fix CVE-2026-2677?
No fix has been published for CVE-2026-2677 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-2026-2677 being exploited?
There is no known exploitation of CVE-2026-2677 in the wild and no public exploit code.
Other vulnerabilities in A3factura
Sources
Also known as GHSA-xp3g-cfwm-4q5h.