CVE-2026-39617 CRITICAL

CVE-2026-39617: WordPress Bluestreet theme <= 1.7.3 - Cross Site Request Forgery (CSRF) to Arbitrary Plugin Installation vulnerability

Vendor Priyanshumittal

Product Bluestreet

Weakness CWE-352 · CSRF

Published April 8, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

9.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Bluestreet versions 1.7.3 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in user, performs unwanted actions on their behalf—such as changing settings, creating accounts, or modifying data. The vulnerability affects all users and requires no special privileges to exploit.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions on a user's account by tricking them into visiting a malicious webpage.

Potential impact on your site

04Site Impact

Users' accounts and data can be modified or deleted without their knowledge or consent.

Conditions required to exploit

05Prerequisites

The victim must be logged into Bluestreet and visit an attacker-controlled webpage.

Key dates

06Disclosure timeline

April 8, 2026 CVE published

April 29, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39617 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/352.html AskarLabs — CWE-352 write-up Cross-Site Request Forgery

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