PatchSiren cyber security CVE debrief
CVE-2026-4792 radius314 CVE debrief
The Bread plugin for WordPress has an information exposure vulnerability in versions up to and including 2.9.12 due to insufficient authentication and authorization checks on the settings export functionality. This allows unauthenticated attackers to retrieve the PDF protection password by accessing a specific endpoint. The vulnerability is caused by the lack of authentication and authorization checks on the settings export functionality (download_settings function) which is registered on the plugins_loaded hook and explicitly allows execution on non-admin (public) pages. The function exports all plugin configuration settings including the protection_password field, which is stored
- Vendor
- radius314
- Product
- Bread
- CVSS
- MEDIUM 5.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-19
- Original CVE updated
- 2026-09-21
- Advisory published
- 2026-09-19
- Advisory updated
- 2026-09-21
Who should care
WordPress site administrators and security teams should assess exposure and update the Bread plugin to prevent potential exploitation. They should review the plugin version and configuration, verify that the PDF protection password is not exposed, and monitor for potential exploitation attempts. Additionally, they should consider implementing compensating controls for exposed systems while remediation is scheduled and verified.
Why it matters
The Bread plugin for WordPress has an information exposure vulnerability that allows unauthenticated attackers to retrieve the PDF protection password. WordPress site administrators and security teams should assess exposure and update the plugin to prevent potential exploitation.
- Potential exposure of sensitive information (PDF protection password)
- Possible exploitation by unauthenticated attackers
- Need for verification of plugin version and configuration
- Priority for updating the Bread plugin to a fixed version
Technical summary
The Bread plugin for WordPress is vulnerable to information exposure in versions up to and including 2.9.12. This is due to the lack of authentication and authorization checks on the settings export functionality (download_settings function) which is registered on the plugins_loaded hook and explicitly allows execution on non-admin (public) pages. The function exports all plugin configuration settings including the protection_password field, which is stored in plaintext.
Defensive priority
Medium priority for WordPress site administrators and security teams to assess exposure and update the Bread plugin.
Recommended defensive actions
- Assess exposure by checking if the Bread plugin version is 2.9.12 or earlier
- Update the Bread plugin to a version that fixes the vulnerability
- Verify that the PDF protection password is not exposed
- Monitor for potential exploitation attempts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The vulnerability is caused by the lack of authentication and authorization checks on the settings export functionality in the Bread plugin. The function exports all plugin configuration settings, including the protection_password field, which is stored in plaintext.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-4792 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-4792
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-4792 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-4792
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/bread/tags/2.9.10/admin/class-bread-admin.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/bread/tags/2.9.10/includes/class-bread.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/bread/trunk/admin/class-bread-admin.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/bread/trunk/includes/class-bread.php
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.