CVE-2026-42950 Cross-site scripting in WAB-BE187-M
An attacker can break the admin interface by tricking a logged-in user into visiting a malicious page, potentially disrupting management access.
- 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-2026-42950?
CVE-2026-42950 is a medium-severity cross-site scripting vulnerability in ELECOM CO.,LTD. WAB-BE187-M, published on 13 May 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
ELECOM wireless LAN access point devices do not check if language parameter has an appropriate value. If a user views a malicious page while logged in, the admin page on the user's web browser may become broken.
Weakness: CWE-754
Which versions are affected by CVE-2026-42950?
How do I fix CVE-2026-42950?
No fix has been published for CVE-2026-42950 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-2026-42950 being exploited?
There is no known exploitation of CVE-2026-42950 in the wild and no public exploit code.
Sources
Also known as GHSA-3f7h-8wg4-948w.