CVE-2025-68033
Published: 05 January 2026
Summary
CVE-2025-68033 is a high-severity Insertion of Sensitive Information Into Sent Data (CWE-201) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 10.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-22 (Publicly Accessible Content) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2025-68033 is an Insertion of Sensitive Information Into Sent Data vulnerability (CWE-201) in the Brecht Custom Related Posts WordPress plugin (custom-related-posts). This flaw allows attackers to retrieve embedded sensitive data and affects all versions from n/a through 1.8.0. The vulnerability received a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), indicating high severity due to its network accessibility, low attack complexity, and lack of prerequisites.
An unauthenticated remote attacker can exploit this vulnerability over the network with low complexity and no user interaction. Exploitation enables retrieval of sensitive information embedded in data sent by the plugin, resulting in high confidentiality impact without affecting integrity or availability.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/custom-related-posts/vulnerability/wordpress-custom-related-posts-plugin-1-8-0-sensitive-data-exposure-vulnerability?_s_id=cve. The CVE was published on 2026-01-05T11:17:41.680.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-0866
Vulnerability details
Insertion of Sensitive Information Into Sent Data vulnerability in Brecht Custom Related Posts custom-related-posts allows Retrieve Embedded Sensitive Data.This issue affects Custom Related Posts: from n/a through <= 1.8.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct exploitation of unauthenticated network-accessible information disclosure flaw in public-facing WordPress plugin.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Mandates timely identification, reporting, and remediation of the specific flaw in the Custom Related Posts plugin that inserts sensitive information into sent data.
Requires filtering of information output by the plugin to external destinations, preventing embedded sensitive data from being retrievable by unauthenticated attackers.
Restricts or excludes sensitive information from publicly accessible content generated by the WordPress plugin on network-accessible systems.