Medium severity · published Dec 4, 2025
CVE-2025-63499
Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
Sogo · Alinto
through 5.12.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-63499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-63499
Broken Link
https://email.example.com/SOGo/so/victim@example.com/Mail/view?theme=%27%3CScRiPt%20%3Ealert%289998%29%3C%2FScRiPt%3E
Exploit
https://github.com/poblaguev-tot/CVE-2025-63499
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