How to fix CVE-2026-39617?

Within 24 hours: Identify all WordPress installations using Bluestreet theme version 1.7.3 or earlier and disable the theme immediately; switch to an alternative theme. Within 7 days: Audit plugin inventory for unauthorized installations and review WordPress admin access logs for suspicious activity dating back 30 days. Within 30 days: Monitor vendor security advisories for patched Bluestreet versions; implement CSRF token validation at the application level as a temporary control; consider removing the Bluestreet theme entirely and selecting a maintained alternative if patches remain unavailable.

Is Bluestreet affected by CVE-2026-39617?

The Bluestreet WordPress theme (version 1.7.3 and earlier) contains a critical CSRF vulnerability that allows unauthenticated attackers to trick authenticated administrators into installing arbitrary plugins, potentially leading to complete site compromise.

CVE-2026-39617

EUVD-2026-20257 CRITICAL

2026-04-08 Patchstack

GHSA-8j59-3fgc-7r5h

9.6

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Apr 08, 2026 - 08:45 vuln.today

EUVD ID Assigned

Apr 08, 2026 - 08:45 euvd

EUVD-2026-20257

CVE Published

Apr 08, 2026 - 08:30 nvd

CRITICAL 9.6

Description

Cross-Site Request Forgery (CSRF) vulnerability in priyanshumittal Bluestreet bluestreet allows Cross Site Request Forgery.This issue affects Bluestreet: from n/a through <= 1.7.3.

Analysis

Cross-Site Request Forgery in priyanshumittal Bluestreet WordPress theme through version 1.7.3 enables unauthenticated attackers to perform arbitrary plugin installations via CSRF. Exploitation requires user interaction (victim must click malicious link or visit attacker-controlled page while authenticated to WordPress). …

Remediation

Within 24 hours: Identify all WordPress installations using Bluestreet theme version 1.7.3 or earlier and disable the theme immediately; switch to an alternative theme. Within 7 days: Audit plugin inventory for unauthorized installations and review WordPress admin access logs for suspicious activity dating back 30 days. …

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

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +48

POC: 0

CVE-2026-39617 vulnerability details – vuln.today

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CVE-2026-39617

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CVE-2026-39617

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