Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-4245— Post Duplicator <= 3.0.11 - Authorization Bypass to Authenticated (Contributor+) Post Duplication

Quick assessment

Affected
metaphorcreations Post Duplicator
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.

WordPress Post Duplicator是WordPress基金会开源的一款复制文章内容的CMS插件。 WordPress Post Duplicator 3.0.11及之前版本存在授权问题漏洞，该漏洞源于 权限回调仅验证 能力，未检查用户的 等状态门控能力，且REST端点未强制执行管理员配置的文章类型复制限制，可能导致经过身份验证的贡献者级别及以上攻击者创建future或pri

CVSS 4.3 · Medium EPSS 0.39% · P31

Affected Version Matrix 1

VendorProduct Version RangeStatus
metaphorcreations Post Duplicator ≤ 3.0.11 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-4245

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Post Duplicator <= 3.0.11 - Authorization Bypass to Authenticated (Contributor+) Post Duplication
Source: CVE Program / CVE List V5
Vulnerability Description
The Post Duplicator plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.0.11. This is due to the `duplicate_post_permissions()` permission callback only verifying the `duplicate_posts` capability without checking whether the requesting user holds `publish_posts` or other status-gated capabilities. This makes it possible for authenticated attackers, with Contributor-level access and above, to create duplicate posts with `future` (scheduled, auto-publishes) or `private` status, bypassing editorial review. Additionally, the REST endpoint does not enforce administrator-configured post-type duplication restrictions, allowing duplication of post types that have been explicitly disabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Post Duplicator 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Post Duplicator是WordPress基金会开源的一款复制文章内容的CMS插件。 WordPress Post Duplicator 3.0.11及之前版本存在授权问题漏洞，该漏洞源于`duplicate_post_permissions()`权限回调仅验证`duplicate_posts`能力，未检查用户的`publish_posts`等状态门控能力，且REST端点未强制执行管理员配置的文章类型复制限制，可能导致经过身份验证的贡献者级别及以上攻击者创建future或pri
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
metaphorcreations Post Duplicator 0 ~ 3.0.11 -

II. Public POCs for CVE-2026-4245

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-4245

请登录查看更多情报信息。

News Coverage for CVE-2026-4245 (1)

IV. Related Vulnerabilities

Same product: Post Duplicator
Same vendor: metaphorcreations
Same weakness: CWE-863