CVE-2026-16273: CWE-79 Cross-Site Scripting (XSS) in Narrative Publisher
CVE-2026-16273 is a cross-site scripting (XSS) vulnerability in the Narrative Publisher WordPress plugin up to version 1.0.7. It allows users with contributor-level access or higher to inject JavaScript into a REST-exposed post meta field that is not properly escaped when rendered. This malicious script executes in the browsers of higher-privileged users who view the affected post.
AI Analysis
Technical Summary
The Narrative Publisher WordPress plugin through version 1.0.7 contains a CWE-79 Cross-Site Scripting vulnerability due to insufficient access restrictions and lack of output escaping on a REST-exposed post meta field. Users with contributor-level permissions or above can store JavaScript code in this field, which executes in the context of higher-privileged users viewing the post, potentially leading to session hijacking or other malicious actions.
Potential Impact
This vulnerability enables users with contributor-level access to execute arbitrary JavaScript in the browsers of users with higher privileges, such as editors or administrators. This can lead to unauthorized actions performed on behalf of those users, including theft of credentials or site takeover. The vulnerability affects the confidentiality and integrity of the affected WordPress site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level user permissions or avoid using the Narrative Publisher plugin. Monitor for updates from the vendor and apply patches promptly once available.
CVE-2026-16273: CWE-79 Cross-Site Scripting (XSS) in Narrative Publisher
Description
CVE-2026-16273 is a cross-site scripting (XSS) vulnerability in the Narrative Publisher WordPress plugin up to version 1.0.7. It allows users with contributor-level access or higher to inject JavaScript into a REST-exposed post meta field that is not properly escaped when rendered. This malicious script executes in the browsers of higher-privileged users who view the affected post.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Narrative Publisher WordPress plugin through version 1.0.7 contains a CWE-79 Cross-Site Scripting vulnerability due to insufficient access restrictions and lack of output escaping on a REST-exposed post meta field. Users with contributor-level permissions or above can store JavaScript code in this field, which executes in the context of higher-privileged users viewing the post, potentially leading to session hijacking or other malicious actions.
Potential Impact
This vulnerability enables users with contributor-level access to execute arbitrary JavaScript in the browsers of users with higher privileges, such as editors or administrators. This can lead to unauthorized actions performed on behalf of those users, including theft of credentials or site takeover. The vulnerability affects the confidentiality and integrity of the affected WordPress site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level user permissions or avoid using the Narrative Publisher plugin. Monitor for updates from the vendor and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-20T09:59:36.531Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6f99cabf32cb7a344bda58
Added to database: 08/02/2026, 19:26:02 UTC
Last enriched: 08/02/2026, 19:29:02 UTC
Last updated: 08/03/2026, 01:28:00 UTC
Views: 6
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