جزئیات آسیب‌پذیری

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.

• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories x_refsource_MISC
• https://wiki.zimbra.com/wiki/Security_Center x_refsource_MISC
• https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/ x_refsource_MISC
• https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/ x_refsource_MISC
• https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30 x_refsource_MISC
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24682 government-resource