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No exploitation reportedFix availableAwaiting NVD analysis

CVE-2026-114538

Bootstrap - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-236

No exploitation reported by the sources we read.

  • Published2026-10-30
  • Fixed in3.45.0
  • WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Bootstrap allows Cross-Site Scripting (XSS). This issue affects Bootstrap versions: from 0.0.0 to 3.45.0.

Timeline

dates in UTC
  1. 2026-10-3003:09CVE publishedCNA

Versions per branch

OSV
drupal/bootstrap
BranchAffectedFixed in
3.45< 3.45.03.45.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As drupal, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-30

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • debootstrapAzure Linux:3all versions · no fixed version listed

Full record on NVD

Fix

  1. Update drupal/bootstrap to 3.45.0

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Published
2026-10-30
Last Modified
2026-11-06
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-3vq4-hp69-78xr

Frequently asked questions

What is CVE-2026-114538?

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Bootstrap allows Cross-Site Scripting (XSS). This issue affects Bootstrap versions: from 0.0.0 to 3.45.0.

Is CVE-2026-114538 actively exploited?

Active exploitation of CVE-2026-114538 has not been confirmed. Its EPSS score was 0.2% on 2026-11-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-114538?

CVE-2026-114538 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

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Sources for this record