CVE-2024-54205 Overview
CVE-2024-54205 is a Cross-Site Request Forgery (CSRF) vulnerability in the Paloma Widget (postman-widget) plugin for WordPress. The flaw affects all versions from n/a through 1.14. According to the Patchstack Vulnerability Report, the CSRF condition can be chained to achieve Stored Cross-Site Scripting (XSS) against authenticated administrators. The weakness is tracked under [CWE-352].
Critical Impact
An unauthenticated attacker can trick an authenticated WordPress administrator into submitting a forged request that stores attacker-controlled JavaScript in plugin settings, leading to session theft, account takeover, or further site compromise.
Affected Products
- Paloma Widget (postman-widget) WordPress plugin
- All versions up to and including 1.14
- WordPress sites with the plugin installed and an authenticated administrator session
Discovery Timeline
- 2024-12-06 - CVE-2024-54205 published to NVD
- 2026-04-23 - Last updated in NVD database
Technical Details for CVE-2024-54205
Vulnerability Analysis
The Paloma Widget plugin processes state-changing requests without validating an anti-CSRF nonce. WordPress provides wp_nonce_field() and check_admin_referer() helpers for this purpose, but the affected handler omits these checks. An attacker who entices an authenticated administrator to load a malicious page can cause that administrator's browser to issue an authenticated POST request to the plugin's settings endpoint.
Because the same endpoint also fails to sanitize submitted values, the CSRF primitive is escalated to a Stored XSS condition. Attacker-supplied script content is persisted in the widget configuration and rendered later in the administrative interface or front-end widget output. The chained outcome allows arbitrary JavaScript execution in the context of the victim's browser session.
Root Cause
The root cause is the absence of CSRF token validation in the plugin's settings-update handler, compounded by missing input sanitization on widget configuration fields. The handler trusts the authenticated session cookie alone and does not verify request intent.
Attack Vector
Exploitation requires user interaction: the targeted administrator must visit an attacker-controlled page or click a crafted link while logged in to WordPress. The forged request rides on the administrator's authenticated session and writes malicious markup into a stored widget field. When the field is rendered, the injected payload executes in the browser of any user who views it.
No authenticated code or proof-of-concept exploit has been published in public exploit databases as of the last NVD update. Refer to the Patchstack Vulnerability Report for additional technical context.
Detection Methods for CVE-2024-54205
Indicators of Compromise
- Unexpected <script> tags, event handlers, or encoded payloads stored within Paloma Widget configuration rows in the wp_options table.
- WordPress administrator sessions originating from unusual referrers immediately before settings changes to the postman-widget plugin.
- New or modified administrator accounts, plugin installations, or theme edits shortly after a widget configuration change.
Detection Strategies
- Inspect web server access logs for POST requests to wp-admin/admin.php or admin-ajax.php that target the Paloma Widget endpoints with off-site Referer headers.
- Compare database snapshots of plugin settings against known-good baselines to surface injected HTML or JavaScript.
- Run static scans of the postman-widget plugin source to confirm the installed version and locate handlers missing check_admin_referer() or wp_verify_nonce() calls.
Monitoring Recommendations
- Forward WordPress audit logs and web server logs to a centralized analytics platform, such as Singularity Data Lake, and alert on plugin configuration changes correlated with cross-origin referrers.
- Monitor administrator browser sessions for anomalous outbound requests that may indicate session-token exfiltration following XSS execution.
- Track plugin inventory and version data across managed WordPress hosts to identify instances still running postman-widget at version 1.14 or earlier.
How to Mitigate CVE-2024-54205
Immediate Actions Required
- Identify every WordPress site running the Paloma Widget (postman-widget) plugin and confirm the installed version.
- Deactivate and remove the plugin until a vendor-supplied fix is verified, especially on sites with multiple administrators.
- Audit existing widget settings for stored HTML or JavaScript and restore from a clean backup if injection is suspected.
- Force a password reset and session invalidation for all administrator accounts on affected sites.
Patch Information
The Patchstack advisory lists all versions through 1.14 as affected and does not document a fixed release at the time of publication. Site operators should monitor the Patchstack Vulnerability Report and the plugin's WordPress.org page for an updated version that adds nonce validation and output sanitization.
Workarounds
- Remove the postman-widget plugin entirely if a patched version is unavailable.
- Deploy a web application firewall (WAF) rule that blocks POST requests to the plugin's admin endpoints when the Referer header is missing or does not match the site origin.
- Apply a Content Security Policy (CSP) that disallows inline scripts to limit the impact of stored XSS if exploitation occurs.
- Restrict WordPress administrator accounts to dedicated browsers or profiles that do not browse untrusted sites.
# Example: disable the vulnerable plugin via WP-CLI
wp plugin deactivate postman-widget
wp plugin delete postman-widget
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
