CVE-2025-62954 is a missing authorization vulnerability identified in the Codeinwp Revive Old Posts WordPress plugin, specifically affecting versions up to 9.3.3. The vulnerability arises from incorrectly configured access control mechanisms within the plugin's tweet-old-post functionality, allowing attackers with low-level authenticated privileges to bypass authorization checks. This means that users who have minimal access rights can exploit the flaw to perform actions that should be restricted, potentially including posting tweets, modifying plugin settings, or executing other privileged operations. The vulnerability is remotely exploitable over the network without requiring user interaction, increasing the risk of automated or targeted attacks. The CVSS 3.1 base score of 8.8 reflects the high impact on confidentiality, integrity, and availability, combined with low attack complexity and only requiring low privileges. Although no public exploits have been reported yet, the nature of WordPress plugins and their widespread use make this a significant threat. The plugin is commonly used to automate social media posting from WordPress sites, so exploitation could lead to unauthorized content dissemination, defacement, or further compromise of the hosting environment. The lack of a patch link suggests that a fix may not yet be publicly available, emphasizing the need for immediate mitigation steps.

For European organizations, the impact of this vulnerability can be substantial. Many businesses and institutions rely on WordPress for their web presence, and plugins like Revive Old Posts are popular for automating social media engagement. Exploitation could lead to unauthorized posting of malicious or misleading content, damaging brand reputation and trust. Additionally, attackers could leverage this access to pivot within the network, potentially accessing sensitive data or disrupting services. The compromise of website integrity and availability can affect customer engagement and operational continuity. Given the high CVSS score, the vulnerability poses a critical risk to confidentiality, integrity, and availability of affected systems. Organizations in sectors such as e-commerce, media, and public services, which heavily depend on WordPress, are particularly vulnerable. Furthermore, the remote exploitability without user interaction increases the likelihood of automated attacks targeting European websites.

European organizations should take immediate steps to mitigate this vulnerability. First, monitor Codeinwp and WordPress plugin repositories for official patches and apply them promptly once released. Until a patch is available, restrict access to the WordPress admin dashboard and specifically to the Revive Old Posts plugin settings to trusted users only, employing strict role-based access controls. Implement web application firewalls (WAFs) with rules to detect and block suspicious requests targeting the plugin's endpoints. Conduct regular audits of user accounts and remove or limit low-privilege users who do not require access. Enable detailed logging and monitor for unusual activity related to social media posting or plugin usage. Consider temporarily disabling the plugin if it is not critical to operations. Educate administrators about the risks and signs of exploitation. Finally, maintain up-to-date backups to enable rapid recovery in case of compromise.