CVE-2025-62618 ELOG file upload stored XSS
Authenticated attackers can upload malicious HTML files to execute scripts in other users' browsers, potentially stealing credentials and session data.
- 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-2025-62618?
CVE-2025-62618 is a high-severity cross-site scripting vulnerability in ELOG, published on 31 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
ELOG allows an authenticated user to upload arbitrary HTML files. The HTML content is executed in the context of other users when they open the file. Because ELOG includes usernames and password hashes in certain HTTP requests, an attacker can obtain the target's credentials and replay them or crack the password hash offline. In ELOG 3.1.5-20251014 release, HTML files are rendered as plain text.
Which versions are affected by CVE-2025-62618?
It affects 1 product.
Products include Elog Project Elog.
How do I fix CVE-2025-62618?
No fix has been published for CVE-2025-62618 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-2025-62618 being exploited?
There is no known exploitation of CVE-2025-62618 in the wild and no public exploit code.
Other vulnerabilities in ELOG
Sources
Also known as GHSA-9wg9-fwv6-cgcr.