CVE-2022-42479: Soledad Auth Bypass Vulnerability

CVE-2022-42479 Overview

CVE-2022-42479 is a missing authorization vulnerability [CWE-862] in the TemplateHouse Soledad premium WordPress theme. The flaw affects all versions of Soledad up to and including 8.2.5. Authenticated attackers with low-level privileges can reach functionality that is not properly constrained by access control lists (ACLs). Successful exploitation leads to limited disclosure of information and limited modification of data within the affected WordPress site. The issue is tracked under the broken access control category and is exploitable over the network without user interaction.

Critical Impact

Authenticated low-privilege users can invoke theme functionality that should require higher privileges, resulting in unauthorized read and write actions against WordPress sites running Soledad 8.2.5 or earlier.

Affected Products

• TemplateHouse Soledad WordPress theme versions up to and including 8.2.5
• WordPress installations using the Soledad premium theme as the active theme
• WordPress sites where Soledad theme functionality is reachable by authenticated subscribers or higher

Discovery Timeline

• 2026-06-11 - CVE-2022-42479 published to the National Vulnerability Database (NVD)
• 2026-06-11 - Last updated in NVD database

Technical Details for CVE-2022-42479

Vulnerability Analysis

The Soledad theme exposes one or more endpoints, typically WordPress AJAX actions or REST handlers, that perform privileged operations without enforcing proper capability checks. WordPress relies on functions such as current_user_can() and nonce verification to gate sensitive actions. When these checks are missing or insufficient, any authenticated user can invoke the action. The Patchstack advisory classifies the issue as broken access control affecting Soledad through version 8.2.5. The impact is bounded to limited confidentiality and integrity loss, with no direct availability impact, according to the published vector.

Root Cause

The root cause is a missing authorization check on theme functionality [CWE-862]. Handlers registered by the theme accept requests from authenticated sessions and execute their logic without validating whether the caller holds the WordPress capability required for that operation. Authentication alone is treated as sufficient, which violates least-privilege principles.

Attack Vector

An attacker first obtains a valid WordPress account, which can be a low-privilege role such as subscriber or contributor on sites that allow open registration. The attacker then issues HTTP requests directly to the vulnerable Soledad endpoint, supplying the parameters expected by the handler. Because the server does not enforce the appropriate capability check, the action executes with the privileges of the underlying handler rather than those of the caller. No user interaction or social engineering is required.

No verified public exploit code is available. For technical specifics, refer to the Patchstack Soledad Theme Vulnerability advisory.

Detection Methods for CVE-2022-42479

Indicators of Compromise

• Unexpected admin-ajax.php requests containing Soledad-specific action parameters originating from non-administrative user sessions
• WordPress audit log entries showing configuration or content changes performed by subscriber or contributor accounts
• Spikes in authenticated POST traffic to theme handlers from a single IP address or user agent

Detection Strategies

• Inspect WordPress access logs for requests to Soledad theme endpoints accompanied by session cookies of low-privilege users
• Compare the active theme version against 8.2.5 and earlier using a plugin or theme inventory query
• Correlate new account registrations with subsequent requests to theme AJAX or REST routes within a short time window

Monitoring Recommendations

• Enable a WordPress activity log plugin to record privilege-sensitive actions and user role changes
• Forward web server logs to a centralized log platform and alert on anomalous action= values tied to the Soledad theme
• Monitor for new administrator or editor accounts created shortly after authenticated theme endpoint usage

How to Mitigate CVE-2022-42479

Immediate Actions Required

• Update the Soledad theme to a version newer than 8.2.5 as published by TemplateHouse
• Disable open user registration if it is not required, and audit all subscriber and contributor accounts
• Restrict access to /wp-admin/admin-ajax.php and REST routes using a web application firewall (WAF) until the patch is applied

Patch Information

TemplateHouse has addressed the broken access control issue in Soledad releases after 8.2.5. Site operators should obtain the latest version through the official ThemeForest account associated with their license and apply it through the WordPress theme updater. Verify the installed version under Appearance → Themes after the update completes. Refer to the Patchstack Soledad Theme Vulnerability advisory for vendor coordination details.

Workarounds

• Deploy a WAF rule that blocks unauthenticated and low-privilege requests to Soledad theme AJAX actions
• Temporarily switch to a default WordPress theme such as Twenty Twenty-Four if the patched Soledad release cannot be applied immediately
• Enforce strong password policies and multi-factor authentication for all WordPress accounts to reduce the pool of usable low-privilege sessions

# Example WAF rule fragment to block low-privilege access to Soledad AJAX actions
SecRule REQUEST_URI "@contains /wp-admin/admin-ajax.php" \
  "chain,deny,status:403,id:1004247901,msg:'Block Soledad theme AJAX from non-admin sessions'"
SecRule ARGS:action "@rx ^(penci_|soledad_)" \
  "chain"
SecRule REQUEST_COOKIES:/wordpress_logged_in_/ "!@rx admin"