CVE-2026-25311 in Autoshare for Twitter Plugin
Summary
by MITRE • 02/19/2026
Missing Authorization vulnerability in 10up Autoshare for Twitter autoshare-for-twitter allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Autoshare for Twitter: from n/a through <= 2.3.1.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 02/21/2026
The CVE-2026-25311 vulnerability represents a critical missing authorization flaw within the 10up Autoshare for Twitter plugin, specifically impacting versions ranging from the initial release through version 2.3.1. This security weakness stems from incorrectly configured access control security levels that allow unauthorized users to exploit the system's permission mechanisms. The vulnerability resides in the plugin's inability to properly verify user permissions before executing sensitive operations related to Twitter autosharing functionality. Attackers can leverage this flaw to bypass intended access controls and perform actions they should not be authorized to execute, potentially leading to unauthorized social media posting and content manipulation. The issue demonstrates a fundamental failure in the plugin's security architecture where proper authentication checks are either absent or improperly implemented.
The technical implementation of this vulnerability manifests through inadequate validation of user roles and capabilities within the WordPress environment. When users interact with the autoshare-for-twitter plugin functionality, the system fails to verify whether the requesting user possesses the necessary administrative privileges or specific permissions required to perform autosharing operations. This misconfiguration creates an access control bypass scenario where any authenticated user, regardless of their role level, can potentially execute the plugin's core functions. The flaw operates at the application level and specifically affects the plugin's handling of WordPress user capabilities, which are typically managed through the WordPress access control system that relies on user role-based permissions. This weakness aligns with CWE-285, which addresses improper authorization issues in software applications.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially enabling attackers to compromise social media accounts and spread malicious content through automated posting mechanisms. An attacker who successfully exploits this vulnerability can manipulate the plugin's settings, modify sharing configurations, and potentially post content to connected Twitter accounts without proper authorization. This could result in reputational damage, unauthorized content distribution, and potential phishing or social engineering campaigns. The vulnerability affects WordPress sites that rely on the autoshare-for-twitter plugin for automated social media posting, making it particularly concerning for businesses and organizations that use social media as part of their digital marketing strategy. The exploitability of this issue is relatively straightforward, requiring only basic authentication to the WordPress admin panel and subsequent manipulation of the plugin's interface elements.
Mitigation strategies for CVE-2026-25311 should prioritize immediate plugin updates to version 2.3.2 or later, which contain the necessary security patches to address the access control bypass. Organizations should implement comprehensive security monitoring to detect unauthorized access attempts and unusual activity patterns related to social media posting functions. The recommended approach includes conducting thorough access control reviews to ensure proper user role assignments and implementing additional security layers such as two-factor authentication for administrative accounts. Security teams should also consider deploying web application firewalls to monitor and filter malicious requests targeting the vulnerable plugin endpoints. According to ATT&CK framework category T1078, which covers valid accounts and privilege escalation, this vulnerability represents a technique that allows adversaries to operate with elevated privileges through misconfigured access controls. Organizations should also perform regular security audits of installed WordPress plugins to identify and remediate similar authorization issues. The vulnerability highlights the importance of proper security testing during plugin development and the necessity of maintaining up-to-date software components to prevent exploitation of known security flaws.