XSS in Emlog
CVE-2025-61599
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Emlog — versions <= 2.5.21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-61599?
- CVE-2025-61599 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-10-03.
- How severe is CVE-2025-61599?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-61599 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.