6.1

CVE-2025-66523: foxit software inc. na1.foxitesign.foxit.com Cross-site Scripting

CVSS: 6.1v3.1MediumAnalyzed
Published 20-01-2026Last modified 20-01-2026
Open JSON

Vulnerability summary

CVE-2025-66523 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in foxit software inc. na1.foxitesign.foxit.com. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.3% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-01-2026
    PublishedVulnerability first disclosed.
  2. 20-01-2026
    Last modifiedVulnerability information updated.

Description

URL parameters are directly embedded into JavaScript code or HTML attributes without proper encoding or sanitization. This allows attackers to inject arbitrary scripts when an authenticated user visits a crafted link. This issue affects na1.foxitesign.foxit.com: before 2026‑01‑16.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.19%

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

Foxit1 product
Foxit software inc.1 product

2 vendors · 2 products

References

1 links