PT-2023-12534 · WordPress · Sell Media

Jerome Bruandet · Published 2023-07-12 · Updated 2023-07-19 · CVE-2021-4420

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Sell Media plugin for WordPress versions up to, and including, 2.5.5

Description The issue is due to missing or incorrect nonce validation on the sell media process() function, making it possible for unauthenticated attackers to sell media paypal orders via a forged request. This can happen if an attacker can trick a site administrator into performing an action such as clicking on a link.

Recommendations For Sell Media plugin for WordPress versions up to, and including, 2.5.5, update to a version that includes proper nonce validation for the sell media process() function to prevent Cross-Site Request Forgery attacks. As a temporary workaround, consider restricting access to the sell media process() function until a patch is available.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-4420

Affected Products

Sell Media

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2021-4420 · Security Note
• https://osv.dev/vulnerability/CVE-2021-4420 · Vendor Advisory
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2603629%40sell-media&new=2603629%40sell-media&sfp_email=&sfph_mail= · Patch
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4 · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/da4592b6-5e84-4a89-9ade-6cc227740d32?source=cve · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3 · Note
• https://t.me/cibsecurity/66491 · Telegram Post
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2 · Note
• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5 · Note
• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks · Note