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Dossier · Vulnerability

Actively exploited · CISA KEV

CVE-2024-27443

  1. First cited attacker
  2. 1 day →First PoC

Signals

Exploited in the wild
Yesadded 2025-05-19 · due 2025-06-09. An observation, not a forecast.
EPSS · 30-day forecast
25%Chance of exploitation in the next 30 days, 98th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD
not stated by sourcesNo NVD record yet.
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

1 known · links only

Nuclei1

  1. Zimbra Collaboration - Cross-Site Scripting (XSS) ↗

    An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload.

    yaml · seen 2026-10-18

On the wire

0 dispatches

No dispatch on our wire has named this CVE yet.

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