7.1

CVE-2025-66118: boldgrid sprout clients Cross-site Scripting

CVSS: 7.1v3.1HighDeferred
Published 18-12-2025Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2025-66118 is a high (CVSS 7.1) Cross-site Scripting vulnerability in boldgrid sprout clients. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.9% of scored vulnerabilities. Fixed in 3.2.2.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-12-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in BoldGrid Sprout Clients sprout-clients allows Reflected XSS.This issue affects Sprout Clients: from n/a through <= 3.2.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

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

Boldgrid1 product
Wordpress1 product
  • sprout-clients≤ 3.2.1 (fixed in 3.2.2)

2 vendors · 2 products

References

2 links