CVE-2022-24682
is CVE-2022-24682real, exploitable, or a false positive? Here's the community ground truth.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
References
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Community ground truth
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Practitioners rate this higher than its CVSS — treat with extra caution.
Field notes & remediation
Verdicts are the quick signal — notes are the evidence and fixes behind them.
- 0
Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability — Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code. Listed in the CISA KEV catalog (added 2022-02-25) — confirmed exploited in the wild, not theoretical. It is linked to known ransomware campaigns. FIRST EPSS puts the chance of exploitation in the next 30 days at ~31%. Treat it as real and prioritize remediation over triage.
- 0
Required action for Synacor Zimbra Collaborate Suite (ZCS): Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-03-11. After patching, verify the vulnerable path is no longer reachable before closing the finding.
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