XSS in Alinto Sogo
CVE-2025-63499
Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/poblaguev-tot/CVE-2025-63499 (Exploit, Third Party Advisory)
- email.example.com/SOGo/so/victim@example.com/Mail/view (Broken Link)
Frequently asked questions
- What is CVE-2025-63499?
- CVE-2025-63499 is a medium-severity vulnerability in Alinto Sogo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-04.
- How severe is CVE-2025-63499?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2025-63499 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.