CVE-2025-61599 Emlog is Vulnerable to Stored Cross-Site Scripting (XSS) in "Twitter" Feature via Markdown Input
Authenticated users can inject malicious JavaScript via the Twitter feature, leading to script execution in other users' browsers.
- 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-2025-61599?
CVE-2025-61599 is a medium-severity cross-site scripting vulnerability in Emlog Emlog, published on 3 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
Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the "Twitter"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a "Twitter" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.
Weakness: CWE-79
Which versions are affected by CVE-2025-61599?
It affects 1 product.
Products include Emlog Emlog.
How do I fix CVE-2025-61599?
No fix has been published for CVE-2025-61599 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-2025-61599 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61599 exists.
Other vulnerabilities in Emlog Emlog
Sources
Also known as GHSA-rm5c-mjpg-vm89.