WordPress Plugin Vulnerabilities

Post Carousel 4.0.0 - 4.0.7 - Unauthenticated Password-Protected Post Content and post_password Disclosure via sp_handle_post_id

Description

The plugin 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.

Proof of Concept

Affects Plugins

Plugin icon
post-carousel
Fixed in 4.0.8

References

CVE
CVE-2026-78149

Classification

Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
A3: Sensitive Data Exposure
CWE
CWE-200
CVSS
5.3 (medium)

Miscellaneous

Original Researcher
Revanth Hari Narayana Matte
Submitter
Revanth Hari Narayana Matte
Verified
Yes
WPVDB ID
8140528f-27d4-485c-ad63-4dcaa3932af2

Timeline

Publicly Published
2026-09-03 (about 2 days ago)
Added
2026-09-03 (about 1 day ago)
Last Updated
2026-09-03 (about 1 day ago)

Other

Published
Title
Published
2023-10-13
Title
Migration, Backup, Staging - WPvivid < 0.9.92 - Unauthenticated Sensitive Information Exposure
Published
2021-11-29
Title
CorreosExpress <= 2.6.0 - Sensitive Information Disclosure
Published
2024-04-05
Title
User Spam Remover < 1.1 - Unauthenticated Sensitive Information Exposure
Published
2025-10-09
Title
AppExperts <= 1.4.5 - Unauthenticated Sensitive Information Exposure
Published
2026-03-27
Title
Ultimate Member < 2.11.3 - Contributor+ Account Takeover via Shortcode Template Tag