8.3

CVE-2023-40045: progress software corporation ws_ftp server Cross-site Scripting

CVSS: 8.3v3.1HighModified
Published 27-09-2023Last modified 24-09-2024

Vulnerability summary

CVE-2023-40045 is a high (CVSS 8.3) Cross-site Scripting vulnerability in progress software corporation ws_ftp server. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.88%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-09-2023
    PublishedVulnerability first disclosed.
  2. 24-09-2024
    Last modifiedVulnerability information updated.

Description

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a reflected cross-site scripting (XSS) vulnerability exists in WS_FTP Server's Ad Hoc Transfer module.  An attacker could leverage this vulnerability to target WS_FTP Server users with a specialized payload which results in the execution of malicious JavaScript within the context of the victims browser.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.88%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

-0.02 pp

From 0.90% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Progress1 product
Progress software corporation1 product

2 vendors · 2 products

References

2 links