CVE-2025-27453 CVE-2025-27453
Attackers can steal session cookies via JavaScript due to missing HttpOnly flag, potentially leading to account takeover on the device.
- 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-2025-27453?
CVE-2025-27453 is a medium-severity vulnerability in Endress+Hauser MEAC300-FNADE4, published on 3 Jul 2025. 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
The HttpOnly flag is set to false on the PHPSESSION cookie. Therefore, the cookie can be accessed by other sources such as JavaScript.
Weakness: CWE-1004
Which versions are affected by CVE-2025-27453?
It affects 1 product.
Products include Endress Meac300-Fnade4 Firmware.
How do I fix CVE-2025-27453?
No fix has been published for CVE-2025-27453 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-27453 being exploited?
There is no known exploitation of CVE-2025-27453 in the wild and no public exploit code.
Other vulnerabilities in Endress+Hauser MEAC300-FNADE4
Sources
Also known as GHSA-49p6-vfmw-3fph.