CVE-2026-119160 shapedplugin CVE debrief

Who should care

WordPress administrators and users with subscriber-level access and above should assess exposure and prioritize remediation. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Why it matters

CVE-2026-119160 is a Stored Cross-Site Scripting vulnerability in the Smart Post plugin for WordPress, allowing authenticated attackers to inject malicious scripts. Defenders should assess exposure, prioritize remediation, and restrict access to plugin settings.

• Attackers may inject malicious scripts, potentially leading to unauthorized actions or data exposure.
• Successful exploitation requires victim interaction with an injected page.
• Defenders should verify plugin versions and restrict access to plugin settings.
• Remediation priority is medium due to the CVSS score of 6.4.

Technical summary

The Smart Post – Post Grid, Post Carousel, Post Slider Gutenberg Blocks for Blog & News plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name' parameter in all versions up to, and including, 4.0.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Defensive priority

Medium-priority defensive actions are recommended to address this vulnerability.

Recommended defensive actions

• Update the Smart Post – Post Grid, Post Carousel, Post Slider Gutenberg Blocks for Blog & News plugin to a version beyond 4.0.9.
• Restrict access to the plugin's settings and functionality to authorized personnel only.
• Monitor for suspicious activity and implement Content Security Policy (CSP) to mitigate potential attacks.
• 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.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. The Smart Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting. The vulnerability exists in all versions up to, and including, 4.0.9. The 'display_name' parameter is the affected component. The vulnerability allows authenticated attackers to inject arbitrary web scripts. The exploitation requires victim interaction with an injected page. Defenders should verify plugin versions and restrict

Sources and references

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.