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CVE

Flatsome unauthenticated access to unpublished posts via AJAX

CVE-2026-117487EUVD-2026-125858

Exploited
No known exploitation
Fix
Fixed in 3.20.13
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 3.20.13.

Published
Last modified
Reference
Last checked
0.15% · 3rd percentile
0/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

The Flatsome WordPress theme is affected. An unauthenticated attacker can view the content of draft and pending posts that have not been published. The flaw is a missing permission check on an AJAX action that anyone can call, and it returns posts by ID without checking their status.

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

Original description

The Flatsome WordPress theme before 3.20.13 does not perform a capability or nonce check on an AJAX action available to unauthenticated users, and does not restrict the status of the posts it returns by ID, allowing unauthenticated users to disclose the content of unpublished (draft and pending) posts.

cve.now Index

0Pcve.now Index 0 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure?/25Unknown. No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity?/10Unknown. No CVSS score or vendor rating
  • No patch0/5No signal

What would change the score

  • Would score about 55 if added to CISA KEV
  • Would score about 50 if CISA's SSVC rates exploitation active
  • Would score about 22 if advisories confirm default setups are exposed

How the score works · Rankings

What to do

  • Upgrade to a fixed version: 3.20.13.

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-2026-117487 (Flatsome < 3.20.13 - Unauthenticated Unpublished Post Disclosure via flatsome_ajax_apply_shortcode), using the cve.now data below.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-2026-117487 (entry last updated 2026-11-14):
Affected:
- Unknown Flatsome: fixed in 3.20.13
Fixed versions: 3.20.13.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-117487 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-117487 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:
- the references on https://cve.now/CVE-2026-117487
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-2026-117487
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-2026-117487"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Unknown Flatsome

    fixed in 3.20.13

Evidence 3

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Public exploit code · 1

Establishes: Public exploit code exists (Exploit-DB, Metasploit, Nuclei and GitHub).

  1. Exploit

Corrections

None so far.

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

Questions about CVE-2026-117487

Is CVE-2026-117487 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-2026-117487?

Flatsome: before 3.20.13.Source: cve.now feed data

How do I fix CVE-2026-117487?

Upgrade to a fixed version: 3.20.13.Source: cve.now feed data

Sources

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