How to fix CVE-2026-5231?

Within 24 hours: Inventory all WordPress installations using WP Statistics plugin and document current versions. Within 7 days: Disable or deactivate WP Statistics plugin on all affected sites as interim mitigation pending vendor release. Within 30 days: Monitor WP Statistics project releases for patched version ≥14.16.5; upgrade immediately upon availability or replace with alternative analytics solution if vendor timeline exceeds 30 days.

Is WordPress affected by CVE-2026-5231?

WP Statistics plugin versions 14.16.4 and earlier contain a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts into administrator dashboards, potentially compromising site management and enabling lateral attacks against WordPress…

CVE-2026-5231

EUVD-2026-23342 HIGH

2026-04-17 Wordfence

XSS WordPress

7.2

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Updated

Apr 17, 2026 - 02:27 vuln.today

v2 (cvss_changed)

Re-analysis Queued

Apr 17, 2026 - 02:22 vuln.today

cvss_changed

Analysis Generated

Apr 17, 2026 - 02:18 vuln.today

DescriptionNVD

The WP Statistics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'utm_source' parameter in all versions up to, and including, 14.16.4. This is due to insufficient input sanitization and output escaping. The plugin's referral parser copies the raw utm_source value into the source_name field when a wildcard channel domain matches, and the chart renderer later inserts this value into legend markup via innerHTML without escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in admin pages that will execute whenever an administrator accesses the Referrals Overview or Social Media analytics pages.

AnalysisAI

Stored Cross-Site Scripting in WP Statistics plugin (≤14.16.4) allows unauthenticated attackers to inject malicious JavaScript into admin dashboard analytics pages. The vulnerability stems from unsafe handling of utm_source URL parameters that persist into database-backed charts, executing when administrators view Referrals Overview or Social Media pages. …

RemediationAI

Within 24 hours: Inventory all WordPress installations using WP Statistics plugin and document current versions. Within 7 days: Disable or deactivate WP Statistics plugin on all affected sites as interim mitigation pending vendor release. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-5231 vulnerability details – vuln.today

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CVE-2026-5231

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code