CVE-2026-42948 Cross-site scripting in WAB-BE187-M
Stored XSS in ELECOM access points allows attackers to execute scripts in admin browsers via malicious input, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-42948?
CVE-2026-42948 is a medium-severity cross-site scripting vulnerability in ELECOM CO.,LTD. WAB-BE187-M, published on 13 May 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored cross-site scripting vulnerability exists in ELECOM wireless LAN access point devices. If one of the administrators input malicious data, an arbitrary script may be executed in another administrative user's web browser.
Weakness: CWE-79
Which versions are affected by CVE-2026-42948?
How do I fix CVE-2026-42948?
No fix has been published for CVE-2026-42948 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-2026-42948 being exploited?
There is no known exploitation of CVE-2026-42948 in the wild and no public exploit code.
Sources
Also known as GHSA-2xgj-qg94-hr45.