Topic

WordPress

🇯🇵Aug 13

WordPress 7.0.4 Released to Patch High-Severity RCE Vulnerability CVE-2026-65640

The WordPress development team has issued version 7.0.4 to address a remote code execution vulnerability tracked as CVE-2026-65640. The flaw affects installations that use the Imagick and Ghostscript image-processing components and grants code execution to users with Author privileges or higher. An attacker can upload a specially crafted PostScript file to trigger arbitrary code execution on the server. The vulnerability received a CVSS v3.0 base score of 8.8 and is rated High severity. Administrators are urged to update immediately, either manually through the dashboard or via automatic background updates. Backported fixes for the 4.7 branch are also in preparation and will be released soon.

Security NEXT•Vulnerabilities & Exploits
🇵🇹Aug 10

WordPress Patches High-Severity XSS2Shell Flaw Enabling Remote Code Execution (CVE-2026-64638)

WordPress has released a fix for a high-severity vulnerability in its core that can turn a malicious login attempt into remote PHP code execution on the server. The flaw, tracked as CVE-2026-64638 and rated 8.9 on CVSS, is named XSS2Shell and begins as a reflected cross-site scripting issue on the authentication screen. An unauthenticated attacker can submit a specially crafted username that bypasses sanitization mechanisms due to differences in how PHP and WordPress interpret certain characters, allowing controlled HTML elements to be injected into the login page. This leads to JavaScript execution in the site domain, and when an authenticated administrator visits a prepared page, the attacker can abuse the existing session to authorize application credentials and upload arbitrary PHP code. The patch is included in WordPress 7.0.3 released on August 6, with backports available for branches as old as 4.7. No public exploitation has been confirmed yet, but the technical details make immediate updating a priority for site administrators.

BoletimSec•Vulnerabilities & Exploits
🇯🇵Aug 10

Top 10 Security Stories: WordPress XSS Flaw, PHP Vulnerabilities, and VMware ESX Issues Lead Weekly Roundup

Security NEXT has published its weekly ranking of the most viewed articles for the period from August 2 to August 8, 2026. The list highlights critical vulnerabilities affecting widely used platforms including WordPress, PHP, pgAdmin 4, VMware ESX, and Chrome. Several entries focus on newly released security updates and ongoing exploitation warnings issued by US authorities. The ranking also includes real-world incidents such as credit card skimming by employees and data leaks caused by phishing attacks. This weekly overview reflects the topics that drew the highest attention from the Japanese cybersecurity community during the specified week.

Security NEXT•Vulnerabilities & Exploits
🇯🇵Aug 7

WordPress 7.0.3 Addresses 12 Vulnerabilities Including Reflected XSS Leading to PHP Execution

WordPress has released version 7.0.3 to fix multiple security issues discovered in the content management system. The update, announced on August 6, 2026, resolves 12 vulnerabilities covering cross-site scripting, privilege escalation, information disclosure, and server-side request forgery. One issue tracked as CVE-2026-64638 is a reflected XSS flaw on the login page that can be exploited without authentication. Under specific conditions the vulnerability allows an attacker to execute PHP code on the affected site. The flaw received a CVSS v4.0 base score of 8.9 and is rated High severity. Administrators are urged to apply the update immediately.

Security NEXT•Vulnerabilities & Exploits
🇷🇺Aug 2

Distributed Crawler Poses as Human Visitor to Evade Analytics and Ad Filters

A detailed investigation revealed a sophisticated distributed crawler that successfully mimicked legitimate human browsing behavior across multiple unrelated websites. The crawler generated realistic events in Google Analytics while avoiding ad script loading and resource chains that would confirm genuine user sessions. Server logs showed consistent patterns of fake search engine referrers, internal navigation with fabricated Referer headers, and selective requests limited mostly to images returning 404 errors. Analysts built a graph-based detection system that correlated events across sites to expose the coordinated activity despite individual requests appearing benign. The campaign rotated browser signatures and IP addresses frequently, making single-site rate limiting ineffective. The case demonstrates how modern crawlers can exploit Measurement Protocol and incomplete bot detection to consume server resources without contributing to revenue.

Habr•Malware & Botnets
🇯🇵Jul 21

WordPress Releases Security Update Fixing Two Vulnerabilities That Chain to Remote Code Execution

The WordPress development team has issued version 7.0.2 along with other security releases on July 17, 2026, addressing two critical vulnerabilities identified as CVE-2026-63030 and CVE-2026-60137. When combined, these flaws enable remote attackers to execute arbitrary code on affected installations. CVE-2026-60137 stems from insufficient input validation in certain functions, potentially allowing SQL injection when processing untrusted data from plugins or themes. CVE-2026-63030 involves route interpretation confusion in the REST API batch endpoint, which can be leveraged alongside the SQL injection issue to achieve code execution. The vulnerabilities impact WordPress 6.8 and later branches, although chained attacks are not possible on the 6.8 series. Administrators are urged to apply the updates immediately to mitigate the risks.

Security NEXT•Vulnerabilities & Exploits