CVE-2025-3901 | Bootstrap Site Alert - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-042

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Bootstrap Site Alert allows Cross-Site Scripting (XSS).This issue affects Bootstrap Site Alert: from 0.0.0 before 1.13.0, from 3.0.0 before 3.0.4.

Published: 2025-04-23 Last update: 2025-06-18 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-3901 is rated Moderate Risk (46.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.41%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-3901

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-02 0.18% 0.41% +0.22%
2 2026-02-17 0.05% 0.18% +0.13%
3 2026-02-07 0.05%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-3901

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-3901

Affected software / configurations for CVE-2025-3901

Vendor Product Version Raw CPE
bootstrap_site_alert_project bootstrap_site_alert < 1.13.0 cpe:2.3:a:bootstrap_site_alert_project:bootstrap_site_alert:*:*:*:*:*:drupal:*:*
bootstrap_site_alert_project bootstrap_site_alert >= 3.0.0, < 3.0.4 cpe:2.3:a:bootstrap_site_alert_project:bootstrap_site_alert:*:*:*:*:*:drupal:*:*
bootstrap_site_alert_project bootstrap_site_alert >= 8.x-1.0, < 8.x-1.13 cpe:2.3:a:bootstrap_site_alert_project:bootstrap_site_alert:*:*:*:*:*:drupal:*:*

References for CVE-2025-3901

cvelogic Threat Intelligence