Medium severity · published Nov 17, 2025
CVE-2025-55059
CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
6.1
CVSS
0.2%
EPSS
No
On KEV
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)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FS
FTP Server · Rumpus
9.0.12 · source: vendor
RU
Rumpus · Maxum
9.0.12 · source: NVD
Affected product
FS
FTP Server
Rumpus
More from FTP Server
9.8
CVE-2025-55058
CWE-20 Improper Input Validation
9.8
CVE-2025-55055
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
8.8
CVE-2025-55057
Multiple CWE-352 Cross-Site Request Forgery (CSRF)
6.1
CVE-2025-55056
Multiple CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')