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CVE-2026-117487— Flatsome < 3.20.13 - Unauthenticated Unpublished Post Disclosure via flatsome_ajax_apply_shortcode

Quick assessment

Affected
Unknown Flatsome
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flatsome WordPress 主题在 3.20.13 版本之前，未对可供未认证用户访问的 AJAX 操作执行权限（capability）或 nonce 检查，并且未限制按 ID 返回的文章状态，从而允许未认证用户泄露未发布文章（包括草稿和待审核状态）的内容。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.15% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Flatsome < 3.20.13 affected
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I. Basic Information for CVE-2026-117487

Vulnerability Information
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Vulnerability Title
Flatsome < 3.20.13 - Unauthenticated Unpublished Post Disclosure via flatsome_ajax_apply_shortcode
Source: CVE Program / CVE List V5
Vulnerability 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does not restrict the status of the posts it returns by ID, allowing unauthenticated users to disclose the content of unpublished (draft and pending) posts.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Flatsome 0 ~ 3.20.13 -

II. Public POCs for CVE-2026-117487

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III. Intelligence Information for CVE-2026-117487

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Same Patch Batch · Unknown · 2026-11-14 · 17 CVEs total

CVE-2026-126697 Quick Page/Post Redirect 5.2.1 - 5.2.3 - Backdoor via Off-Repository Update Channel
CVE-2026-124649 Lightbox with PhotoSwipe < 5.19.0 - Unauthenticated Stored XSS via Comment Link Title
CVE-2026-126639 WP Ultimate CSV Importer (Free & Pro) - Unauthenticated Post Data Disclosure via Predictab
CVE-2026-126640 WP Ultimate CSV Importer < 9.3 - Admin+ SQLi via LifterLMS Import
CVE-2026-123122 Checkout Files Upload for WooCommerce 2.4.0 - Unauthenticated Stored XSS via Uploaded File
CVE-2026-123046 SEOJuice < 2.12.0 - Administrator Account Creation via CSRF
CVE-2026-117490 Flatsome < 3.20.13 - Contributor+ Post Type and Status Overwrite via ux_builder_save
CVE-2026-118183 Copy & Delete Posts < 1.5.8 - Authenticated Post Publishing Restriction Bypass
CVE-2026-118182 Copy & Delete Posts < 1.5.8 - Authenticated Arbitrary Post Slug Takeover
CVE-2026-118181 Copy & Delete Posts < 1.5.8 - Authenticated Plugin Settings and Access Control Modificatio
CVE-2026-119258 Swipe <= 1.4 - Unauthenticated Authentication Bypass
CVE-2026-105983 Email Marketing 4Dem <= 2.0.5 - Unauthenticated Settings Modification and Configuration Di
CVE-2026-105984 Email Marketing 4Dem <= 2.0.5 - Unauthenticated Configuration Destruction and Arbitrary Pl
CVE-2026-111034 Countdown, Coming Soon, Maintenance – Countdown & Clock <= 3.0.8 - Subscriber+ Non-Public
CVE-2026-111033 Countdown, Coming Soon, Maintenance – Countdown & Clock <= 3.0.8 - Author+ Stored XSS via
CVE-2026-116528 Chargely Free Subscriptions <= 1.0 - Unauthenticated WooCommerce REST API Credential Discl

IV. Related Vulnerabilities

Same product: Flatsome
Same vendor: Unknown