CVE-2025-3901: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal B

Routine

MEDIUM 6.1UPGRADE

CVE-2025-3901 is a medium-severity flaw (CVSS 6.1) affecting bootstrap site alert. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-04-23
Last modified	2026-06-17

Publisher (CNA): Drupal.org · Vendor: bootstrap site alert project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-23 17:16 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

bootstrap site alert project bootstrap site alert UPGRADE

Affected: < 1.13.0 · >= 3.0.0 and < 3.0.4 · >= 8.x-1.0 and < 8.x-1.13

Fixed in: 1.13.0, 3.0.4, 8.x-1.13

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy bootstrap-site-alert || rpm -q bootstrap-site-alert || bootstrap-site-alert --version

2. UPGRADE to 1.13.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bootstrap-site-alert

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bootstrap-site-alert

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison bootstrap-site-alert sudo apt install bootstrap-site-alert=<VERSION_BEFORE_3.0.0> sudo apt-mark hold bootstrap-site-alert

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bootstrap-site-alert sudo dnf downgrade bootstrap-site-alert-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add bootstrap-site-alert

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3901?

bootstrap site alert: upgrade to 1.13.0, 3.0.4, 8.x-1.13. Exact commands for each OS are on this page.

Is CVE-2025-3901 being exploited?

CVE-2025-3901 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3901 affect?

CVE-2025-3901 affects bootstrap site alert. Severity is medium (CVSS 6.1). 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.

How urgent is CVE-2025-3901?

Priority 25/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities · Bootstrap vulnerabilities

References

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