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and stealing cookies .","url":"https://cyberstrike.io/cve/CVE-2021-36720/","datePublished":"2021-12-08T20:15:07.780","dateModified":"2026-06-17T03:59:02.933","publisher":{"@id":"https://cyberstrike.io/#organization"},"isPartOf":{"@id":"https://cyberstrike.io/#website"},"about":{"@type":"SoftwareSourceCode","name":"pineapp mail_secure"},"keywords":["CVE-2021-36720","medium","CVSS 6.1","CWE-79","pineapp mail_secure"]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://cyberstrike.io"},{"@type":"ListItem","position":2,"name":"CVE Database","item":"https://cyberstrike.io/cve/"},{"@type":"ListItem","position":3,"name":"2021","item":"https://cyberstrike.io/cve/year/2021/"},{"@type":"ListItem","position":4,"name":"CVE-2021-36720","item":"https://cyberstrike.io/cve/CVE-2021-36720/"}]},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is CVE-2021-36720?","acceptedAnswer":{"@type":"Answer","text":"CVE-2021-36720 is a medium-severity vulnerability affecting pineapp mail_secure. It was published on December 8, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM)."}},{"@type":"Question","name":"How severe is CVE-2021-36720?","acceptedAnswer":{"@type":"Answer","text":"This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation."}},{"@type":"Question","name":"How do I fix or remediate CVE-2021-36720?","acceptedAnswer":{"@type":"Answer","text":"Check the references section for vendor advisories and patches from pineapp. Update mail_secure to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions."}},{"@type":"Question","name":"How can CyberStrike help with CVE-2021-36720?","acceptedAnswer":{"@type":"Answer","text":"CyberStrike's AI-powered security agents can automatically detect CVE-2021-36720 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability."}}]}]}

CVE-2021-36720

6.1 · MEDIUM
Published Dec 8, 2021 pineapp CWE-79 EPSS 0.56% (44th pctl)

Overview

CVE-2021-36720 is a medium-severity vulnerability affecting pineapp mail_secure. It was published on December 8, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

PineApp - Mail Secure - Attacker sending a request to :/blocking.php?url=<script>alert(1)</script> and stealing cookies .

Remediation

Check the references section for vendor advisories and patches from pineapp. Update mail_secure to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
pineapp mail_secure >= 0, < 5.2.1 Affected

Frequently Asked Questions

What is CVE-2021-36720?

CVE-2021-36720 is a medium-severity vulnerability affecting pineapp mail_secure. It was published on December 8, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2021-36720?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-36720?

Check the references section for vendor advisories and patches from pineapp. Update mail_secure to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-36720?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-36720 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.