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Quick Edit CVE-2026-2348

| EUVDEUVD-2026-15451 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-25 drupal GHSA-vmwp-f54q-chhh
5.4
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

While CVSS and EPSS scores are not provided in the intelligence data, the vulnerability's characteristics indicate moderate-to-high real-world risk. The attack vector is network-based and requires user interaction (victims must visit a page controlled or influenced by an attacker), typical of stored or reflected XSS. No explicit KEV (Known Exploited Vulnerability) status or public proof-of-concept code is mentioned in the available references, suggesting this may be a responsible disclosure with limited active exploitation at the time of analysis. However, the presence of a Drupal security advisory (SA-CONTRIB-2026-009) and the ENISA EUVD tracking (EUVD-2026-15451) indicate this is treated as a legitimate security concern by the vendor. The fact that patches exist for both affected version branches (1.0.5+ and 2.0.1+) further confirms remediation is available, reducing the practical risk for organizations that patch promptly. For unpatched systems, the risk is significant because XSS in an administration/editing interface can lead to account compromise, privilege escalation, and data theft from site administrators and editors.

Exploit ScenarioDerived

An attacker creates a malicious Drupal post or comment containing XSS payload within a field that Quick Edit renders. When a site administrator or content editor visits the page and hovers over or attempts to use the quick edit interface, the JavaScript payload executes in their browser with their privileges and session cookie, allowing the attacker to steal authentication tokens, modify content, create new admin accounts, or perform other actions as the victim user. This scenario is particularly dangerous because quick edit is typically enabled for administrative users who have higher-level permissions and access to sensitive site configuration.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 25, 2026

A Cross-Site Scripting (XSS) vulnerability exists in Drupal Quick Edit due to improper neutralization of user input during web page generation. This vulnerability affects Quick Edit versions 0.0.0 through 1.0.4 and versions 2.0.0 through 2.0.0, allowing attackers to inject malicious scripts that execute in the context of authenticated users' browsers. The vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation) and has been disclosed by the Drupal security team with patches available for affected versions.

RemediationAI

Immediately upgrade Drupal Quick Edit to version 1.0.5 or later for the 1.x branch, or to version 2.0.1 or later for the 2.x branch. Consult the official Drupal security advisory at https://www.drupal.org/sa-contrib-2026-009 for detailed patching instructions specific to your Drupal version. As a temporary mitigation for systems that cannot be patched immediately, restrict access to the Quick Edit interface by disabling the module or using Drupal's permission system to limit quick edit capabilities to highly trusted administrative users only. Additionally, implement Content Security Policy (CSP) headers to restrict script execution and reduce the impact of any injected XSS payloads. Review access logs and user activity for signs of exploitation, particularly targeting administrative and editor accounts.

Affected VersionsENISA

Quick Edit 2.0.0 <2.0.1
Quick Edit 0.0.0 <1.0.5

Affected Packages

composer drupal/quickedit fix: 1.0.5, 2.0.1
euvd quick_edit fix: 1.0.5, 2.0.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in composer, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Drupal Quick Edit is a core/contributed module that provides in-place editing capabilities for content fields without requiring users to navigate to a separate edit form. The vulnerability stems from inadequate input sanitization when rendering editable content regions on the page, specifically failing to properly escape or neutralize user-supplied input before it is inserted into the HTML DOM during the quick edit interface generation. This is a classic CWE-79 (Cross-site Scripting) vulnerability where untrusted data flows directly into the page output without validation or encoding. The affected CPE entry (cpe:2.3:a:drupal:quick_edit:*:*:*:*:*:*:*:*) encompasses all Quick Edit module versions across all Drupal installations, making this a broad-impact vulnerability affecting any site using the module in vulnerable versions.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Mar 25, 2026 - 15:20 nvd
MEDIUM 5.4

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Quick Edit allows Cross-Site Scripting (XSS).This issue affects Quick Edit: from 0.0.0 before 1.0.5, from 2.0.0 before 2.0.1.

Executive ViewAI

Why It Matters

CVE-2026-2348 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Defer
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
Low
Technical Impact
Partial

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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