CVE-2021-4420

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

The Sell Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.5. This is due to missing or incorrect nonce validation on the sell_media_process() function. This makes it possible for unauthenticated attackers to sell media paypal orders via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-352

Affected software

No affected versions have been published.

Timeline

Published: Jul 12, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-442005.4Self cross-site scripting (XSS) was possible on devices page. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux)CVE-2021-442016.1Cross-site scripting (XSS) was possible in notification pop-ups. The following products are affected: Acronis Cyber Protect 15 (Windows, Lin CVE-2021-442025.4Stored cross-site scripting (XSS) was possible in activity details. The following products are affected: Acronis Cyber Protect 15 (Windows, CVE-2021-442035.4Stored cross-site scripting (XSS) was possible in protection plan details. The following products are affected: Acronis Cyber Protect 15 (Wi CVE-2021-442047.8Local privilege escalation via named pipe due to improper access control checks. The following products are affected: Acronis Cyber Protect CVE-2021-442057.3Local privilege escalation due to DLL hijacking vulnerability. The following products are affected: Acronis Cyber Protect Home Office (Windo CVE-2021-442067.3Local privilege escalation due to DLL hijacking vulnerability in Acronis Media Builder service. The following products are affected: Acronis CVE-2021-442078.1Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.CVE-2021-442086.1OX App Suite through 7.10.5 allows XSS via an unknown system message in Chat.CVE-2021-442096.1OX App Suite through 7.10.5 allows XSS via an HTML 5 element such as AUDIO.CVE-2021-44214.3The Advanced Popups plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.1. This is due to CVE-2021-442106.1OX App Suite through 7.10.5 allows XSS via NIFF (Notation Interchange File Format) data.