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CVE-2026-78149— Post Carousel 4.0.0 - 4.0.7 - Unauthenticated Password-Protected Post Content and post_password Disclosure via sp_handle_post_id

Quick assessment

Affected
Unknown Smart Post
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.

Smart Post WordPress 插件在 4.0.8 版本之前，在通过未经身份验证的 AJAX 接口返回文章内容和其存储的密码时，未检查该文章是否受密码保护。这使得未认证用户可以读取受保护的文章内容及其保护密码。

AI Predicted 6.5 Difficulty: Trivial
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I. Basic Information for CVE-2026-78149

Vulnerability Information
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Vulnerability Title
Post Carousel 4.0.0 - 4.0.7 - Unauthenticated Password-Protected Post Content and post_password Disclosure via sp_handle_post_id
Source: CVE Program / CVE List V5
Vulnerability Description
The Smart Post WordPress plugin before 4.0.8 does not check whether a post is password protected before returning its content and its stored password through an unauthenticated AJAX action, allowing unauthenticated users to read protected post content and the password that guards it.
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 Smart Post 4.0.0 ~ 4.0.8 -

II. Public POCs for CVE-2026-78149

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III. Intelligence Information for CVE-2026-78149

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Other References for CVE-2026-78149 (1)

Same Patch Batch · Unknown · 2026-09-05 · 34 CVEs total

CVE-2026-78362 SEO Flow by LupsOnline 3.0.0 - 3.0.2 - Unauthenticated Privilege Escalation via API Key Au
CVE-2026-82846 Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields
CVE-2026-82304 Music Store – WordPress eCommerce < 1.4.5 - Unauthenticated SQLi via paypal-data Handler
CVE-2026-81424 Accept Stripe Payments < 2.1.4 - Unauthenticated Product Substitution via IDOR
CVE-2026-83543 Greenshift < 13.2.0 - Contributor+ SSRF via get-csv-to-json REST Endpoint
CVE-2026-83544 Greenshift < 13.2.0 - Contributor+ Stored XSS via Block Animation customProps Attribute
CVE-2026-81423 Accept Stripe Payments < 2.1.4 - Open Redirect via IPN Handler
CVE-2026-81348 My Private Site < 4.2.3 - Unauthenticated Sensitive Information Exposure via RSS Feeds and
CVE-2026-81404 IPGP Visitors Origin < 1.6 - Reflected XSS
CVE-2026-84021 Bold Page Builder < 5.9.8 - Contributor+ Stored XSS via bt_bb_button/bt_bb_headline/bt_bb_
CVE-2026-77826 RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Fa
CVE-2026-78150 Post Carousel 4.0.0 - 4.0.7 - Contributor+ Private and Protected Post Content Disclosure v
CVE-2026-19861 JetFormBuilder < 3.6.5.2 - Unauthenticated Stored XSS via WYSIWYG Field in Notification Em
CVE-2026-15247 Search Atlas SEO < 2.6.24 - Subscriber+ Google Service Account Credential Overwrite/Deleti
CVE-2026-19858 JetFormBuilder < 3.6.5.2 - Unauthenticated Password Hash and Arbitrary Metadata Disclosure
CVE-2025-15694 Joli Table Of Contents 2.0.0 - 2.8.0 - Admin+ Stored XSS
CVE-2025-15693 JCH Optimize 4.2.1 - 5.0.0 - Admin+ Path Traversal
CVE-2026-84937 YT Player < 2.1.0 - Contributor+ SQLi via ytp_ajax
CVE-2026-84022 Bold Page Builder < 5.9.8 - Contributor+ Stored XSS via Multiple Shortcode Element Attribu
CVE-2026-84221 Kirki 6.0.0 - 6.2.5 - Editor+ SQLi via Content Manager Field ID

Showing top 20 of 34 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Smart Post
Same vendor: Unknown

V. Comments for CVE-2026-78149

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