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CVE-2025-55056VulnerabilityPublished

CVE-2025-55056: Rumpus FTP Server · Cross-site Scripting

Affects Rumpus FTP ServerSource CVE Database V5

0

Not known to be exploited · CVSS 4.8 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Rumpus FTP ServerAffected
  • =9.0.12
Fixed in–

AI-suggested

1. Restrict access to the Rumpus FTP Server web interface to trusted networks and users only, using network segmentation and firewall rules. 2. Enforce strong authentication and least privilege principles to limit user capabilities and reduce the pool of potential attackers. 3. Implement web application firewalls (WAFs) with rules to detect and block common XSS payloads targeting the FTP server interface. 4. Conduct thorough input validation and output encoding on all user-supplied data within the FTP server’s web pages, if customization or scripting is possible. 5. Monitor logs for unusual or suspicious activity indicative of attempted XSS exploitation or privilege misuse. 6. Educate users about phishing and social engineering risks that could facilitate user interaction required for exploitation. 7. Maintain up-to-date backups and incident response plans to quickly recover from any compromise. 8. Engage with the vendor for timely patch releases and apply updates as soon as they become available. 9. Consider alternative secure file transfer solutions if patching is delayed or the risk is unacceptable.

Description

Multiple CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

References

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