Skip to main content

Complianz CVE-2026-2389

| EUVDEUVD-2026-16175 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-26 Wordfence GHSA-mp6q-xf9x-fwf7
4.9
CVSS 3.1 · NVD
View

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

CVSS 3.1 score of 4.9 reflects low-to-moderate severity with a vector indicating network-accessible attack (AV:N), high complexity (AC:H), low privilege requirements (PR:L), no user interaction (UI:N), and changed scope (S:C) with limited confidentiality and integrity impact (C:L/I:L). The SSVC decision framework categorizes exploitation status as none, automatable as no, and technical impact as partial-suggesting this is not actively exploited at scale and requires manual attack crafting. While stored XSS typically poses significant risk, the authentication barrier (Contributor role minimum), editor plugin dependency, and lack of automated exploitation potential substantially reduce real-world attack surface. Organizations with strict contributor access controls or those not using Classic Editor face minimal risk. The AC:H (high complexity) rating indicates successful exploitation requires specific conditions or user behavior, further limiting priority compared to high-CVSS unauthenticated flaws.

Exploit ScenarioDerived

An authenticated attacker with Contributor access (e.g., a disgruntled employee or compromised low-privilege account) crafts a WordPress post or page containing specially-formed content that exploits the character entity conversion flaw. When the post is saved using Classic Editor, the revert_divs_to_summary function converts the HTML entity into a literal quote character, breaking HTML attribute or tag boundaries and allowing embedded JavaScript to persist in the post content. When any site visitor or administrator views the affected page, the injected script executes in their browser context with the privileges of the viewing user, potentially stealing session tokens, modifying page content, or redirecting users to malicious sites. High complexity rating and reliance on specific editor conditions mean this requires targeted knowledge and deliberate attack rather than automated scanning.

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

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 26, 2026

Stored Cross-Site Scripting in Complianz - GDPR/CCPA Cookie Consent plugin versions up to 7.4.4.2 allows authenticated attackers with Contributor-level access to inject arbitrary JavaScript into WordPress pages via the revert_divs_to_summary function, which improperly converts HTML entities to unescaped characters without subsequent sanitization. The vulnerability requires both the Classic Editor plugin and authenticated user privileges, limiting exposure to internal threats. No public exploit identified at time of analysis, and CISA KEV status is not confirmed.

RemediationAI

Upgrade Complianz - GDPR/CCPA Cookie Consent plugin to a version released after 7.4.4.2. The plugin repository changeset reference (https://plugins.trac.wordpress.org/changeset/3483618/) indicates fixes are available in trunk; users should update to the latest stable release when made available. As an interim mitigation for organizations unable to immediately patch, restrict Contributor-level and above user account creation to trusted administrators, audit existing contributor and editor accounts for suspicious activity, and consider disabling Classic Editor if compatibility with modern block editor is feasible, since the vulnerability is not exploitable without it. Monitor post and page revisions for injected script content, particularly those edited by recently-added or untrusted contributors.

Affected VersionsENISA

Complianz – GDPR/CCPA Cookie Consent * ≤7.4.4.2

Affected Packages

euvd complianz_gdpr_ccpa_cookie_consent no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

Technical ContextAI · show details

The vulnerability exists in the Complianz plugin (CPE: cpe:2.3:a:complianz:complianz_-_gdpr/ccpa_cookie_consent:*:*:*:*:*:*:*:*) and stems from improper output encoding in the revert_divs_to_summary function located in the class-document.php file. The root cause is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation), a Stored XSS variant. The function replaces HTML entity ” (right double quotation mark) with literal double-quote characters without applying subsequent HTML escaping or sanitization filters. This allows attackers to break out of HTML contexts and inject script tags that persist in post content. The dependency on Classic Editor plugin indicates the vulnerability is exploitable through the legacy WordPress editor interface.

Know when Complianz gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 4.9 MEDIUM
AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Mar 26, 2026 - 13:26 nvd
MEDIUM 4.9

DescriptionCVE.org

The Complianz - GDPR/CCPA Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 7.4.4.2. This is due to the revert_divs_to_summary function replacing ” HTML entities with literal double-quote characters (") in post content without subsequent sanitization. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page. The Classic Editor plugin is required to be installed and activated in order to exploit this vulnerability.

Executive ViewAI

Why It Matters

Organizations using for WordPress is vulnerable to Stored Cross-Site Scripting in all should be aware of moderate risk from CVE-2026-2389, a cross-site scripting vulnerability rated CVSS 4.9. 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 91% 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

24
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +24
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.

CVE-2022-3494 HIGH POC
8.8 Nov 07

The Complianz WordPress plugin before 6.3.4, and Complianz Premium WordPress plugin before 6.3.6 allow a translators to

CVE-2023-1069 MEDIUM POC
5.4 Mar 27

The Complianz WordPress plugin before 6.4.2, Complianz Premium WordPress plugin before 6.4.2 do not validate and escape

CVE-2026-65497 HIGH
7.2 Jul 23

PHP Object Injection in the Complianz WordPress plugin (all versions up to and including 7.5.0) allows an authenticated

CVE-2026-97339 HIGH
7.2 Oct 16

Stored cross-site scripting in the Complianz GDPR/CCPA Cookie Consent Banner plugin for WordPress (all versions up to an

CVE-2026-83561 HIGH
7.2 Sep 18

Stored cross-site scripting in the Complianz GDPR/CCPA Cookie Consent Banner WordPress plugin, affecting all versions up

CVE-2023-33333 HIGH
7.1 Nov 30

Cross-Site Request Forgery (CSRF) vulnerability in Really Simple Plugins Complianz, Really Simple Plugins Complianz Prem

CVE-2023-34030 MEDIUM
6.5 Nov 30

Cross-Site Request Forgery (CSRF) vulnerability in Really Simple Plugins Complianz, Really Simple Plugins Complianz Prem

CVE-2026-65498 MEDIUM
5.3 Jul 23

Unauthenticated sensitive data exposure in the Complianz WordPress plugin (versions up to and including 7.5.0) allows an

CVE-2026-65496 MEDIUM
4.4 Jul 23

Server-Side Request Forgery in the Complianz WordPress GDPR compliance plugin (versions 7.5.0 and below) allows authenti

CVE-2023-6498 MEDIUM
4.4 Jan 04

The Complianz - GDPR/CCPA Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin set

CVE-2024-1592 MEDIUM
4.3 Mar 02

The Complianz - GDPR/CCPA Cookie Consent plugin for WordPress is vulnerable to Cross-Site Request Forgery in all version

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy