Server-Side Script Injection in Manager Web UI in Progress WS_FTP Server

published 2026-10-29 10 d ago modified 2026-10-30 9 d ago also EUVD-2026-113184

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

Improper neutralization of directives in dynamically evaluated code in the Manager web console of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an authenticated Manager administrator to execute arbitrary commands with the privileges of the WS_FTP Server IIS worker process.

Patch / fix

fixed in 1

Progress Software WS_FTP Server 2024.0.7, 2025.0.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 10 d ago (2026-10-30)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

Affected products

Progress Software WS_FTP Server

Classification

Weakness

CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code
CWE-94 Improper Control of Generation of Code

References

progress.lightning.force.com /lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view
vendor-advisory

Sources

CVE List CVE-2026-90872
NVD CVE-2026-90872

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary