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Cloud Storage Manager for Fluent Forms path traversal file write via Google Drive filenames

CVE-2026-120522

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8CriticalCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
Reference
Last checked
32/100 · provisional
None on Exploit-DB, Metasploit or GitHub
On X
View the cve.now post

Summary

The Cloud Storage Manager for Fluent Forms WordPress plugin has a flaw that lets remote attackers without logging in write files outside the intended downloads directory, using a path traversal in a Google Drive file name. If the written file is a PHP file in a web-accessible location, this can lead to remote code execution.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Original description

The Cloud Storage Manager for Fluent Forms – Google Drive, Dropbox, OneDrive, S3 Uploads plugin for WordPress is vulnerable to Arbitrary File Write in all versions up to, and including, 1.2.0. This is due to missing authorization checks on the connection/{driver}/save and /download/single-file REST endpoints, combined with insufficient path validation in the Google Drive downloadFile() function, where the Google Drive metadata name value is concatenated into a local path without basename(), sanitize_file_name(), or canonical path validation. This makes it possible for unauthenticated attackers to store attacker-controlled Google Drive credentials, trigger a download of an attacker-owned file whose provider-returned filename contains path traversal, and write attacker-controlled content outside the intended downloads directory. When the written file has a PHP extension and lands in a web-accessible location, this can lead to remote code execution.

cve.now Index

32Pcve.now Index 32 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity9.8/10CVSS 9.8
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 77 if added to CISA KEV
  • Would score about 72 if CISA's SSVC rates exploitation active
  • Would score about 37 if advisories confirm default setups are exposed

How the score works · Rankings

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-120522 (Cloud Storage Manager for Fluent Forms <= 1.2.0 - Unauthenticated Arbitrary File Write via Google Drive Filename Path Traversal), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-120522 (entry last updated 2026-11-14):
Affected:
- fluentwiz Cloud Storage Manager for Fluent Forms – Google Drive, Dropbox, OneDrive, S3 Uploads: through 1.2.0
Fixed versions: none listed yet.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-120522 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-120522 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://www.wordfence.com/threat-intel/vulnerabilities/id/58fd04ae-fff2-42b1-ae98-168195d84290?source=cve
- https://plugins.trac.wordpress.org/changeset/3656663/cloud-storage-manager
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-120522
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-120522"}.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Posted on X by cve.now

Affected versions

  • fluentwiz Cloud Storage Manager for Fluent Forms – Google Drive, Dropbox, OneDrive, S3 Uploads

    through 1.2.0

Evidence 4

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 2

  1. Link
  2. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-120522

Is CVE-2026-120522 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: cve.now feed data

Which versions are affected by CVE-2026-120522?

Cloud Storage Manager for Fluent Forms – Google Drive, Dropbox, OneDrive, S3 Uploads: through 1.2.0.Source: cve.now feed data

Sources

More CVEs

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