CVE-2022-1779 in Auto Delete Posts Plugin
Summary
by MITRE • 06/13/2022
The Auto Delete Posts WordPress plugin through 1.3.0 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack and delete specific posts, categories and attachments at once.
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Analysis
by VulDB Data Team • 06/13/2022
The CVE-2022-1779 vulnerability affects the Auto Delete Posts WordPress plugin version 1.3.0 and earlier, presenting a critical security flaw that undermines the integrity of administrative operations within WordPress environments. This vulnerability stems from the absence of proper cross-site request forgery protection mechanisms within the plugin's administrative settings update functionality, creating an exploitable condition that allows malicious actors to manipulate plugin configurations without proper authorization.
The technical flaw manifests as a missing CSRF token validation during the plugin settings update process, which operates under the assumption that all requests originating from the WordPress admin interface are legitimate. This oversight enables attackers to craft malicious web pages or emails containing specially crafted requests that, when clicked by an authenticated administrator, automatically modify the plugin's configuration parameters. The vulnerability specifically impacts the plugin's ability to manage post deletion schedules and categories, allowing unauthorized modification of deletion rules that could result in mass deletion of content.
The operational impact of this vulnerability extends beyond simple configuration changes, as it provides attackers with the capability to execute automated content deletion operations that could compromise entire website archives and media libraries. When exploited, the vulnerability allows attackers to delete specific posts, categories, and attachments simultaneously, potentially causing significant data loss and operational disruption for website administrators. The attack vector leverages the trust relationship between the administrator's browser and the WordPress admin interface, making detection difficult and exploitation relatively straightforward.
From a cybersecurity perspective, this vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in web applications. The flaw also maps to ATT&CK technique T1078.004, which involves valid accounts being used for lateral movement and privilege escalation, as the attack requires an authenticated administrative session to be effective. Organizations utilizing vulnerable versions of the Auto Delete Posts plugin face heightened risk of data integrity compromise and potential service disruption, particularly in environments where administrative access is not properly secured through additional authentication layers.
Mitigation strategies should prioritize immediate plugin updates to versions that implement proper CSRF protection mechanisms, typically through the inclusion of nonce tokens that validate the authenticity of administrative requests. Administrators should also implement additional security measures including role-based access controls, regular security audits, and monitoring of administrative activities for anomalous configuration changes. Network-level protections such as web application firewalls can help detect and block malicious CSRF requests, while security awareness training for administrators can reduce the likelihood of clicking malicious links that exploit this vulnerability. The vulnerability underscores the critical importance of implementing proper input validation and request authentication mechanisms in all web application components, particularly those handling administrative functions and sensitive data operations.