CVE-2022-24682 is a vulnerability in Zimbra Collaboration
Published on February 9, 2022
An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.
Known Exploited Vulnerability
This Zimbra Webmail Cross-Site Scripting Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Zimbra webmail clients running versions 8.8.15 P29 & P30 contain a XSS vulnerability that would allow attackers to steal session cookie files.
The following remediation steps are recommended / required by March 11, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-24682 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an Output Sanitization Vulnerability?
The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
CVE-2022-24682 has been classified to as an Output Sanitization vulnerability or weakness.
Products Associated with CVE-2022-24682
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.