CVE-2021-21400: high-severity vulnerability in wireapp wire-webapp
Entering code in App Lock modal sends input to conversation
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 1.2%
wire-webapp is an open-source front end for Wire, a secure collaboration platform. In wire-webapp before version 2021-03-15-production.0, when being prompted to enter the app-lock passphrase, the typed passphrase will be sent into the most recently used chat when the user does not actively give focus to the input field. Input element focus is enforced programatically in version 2021-03-15-production.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Affected products
wireapp · wire-webappRelated CVEs — wireapp wire-webapp
In the same product, most dangerous first.
CVE-2022-24799CRITICALCross Site Scripting in Wire WebappEPSS 1.0%CVE-2022-29168CRITICALCross Site Scripting in Wire MessagesEPSS 0.9%CVE-2021-32683HIGHXSS through createObjectURLEPSS 0.8%CVE-2022-39380MEDIUMwire-webapp contains Improper Handling of Exceptional Conditions leading to a DoS via Markdown RenderingEPSS 0.6%CVE-2022-23605MEDIUMExpired Ephemeral Messages not reliably removed in wire-webappEPSS 0.3%CVE-2025-48061MEDIUMwire-webapp Has Insufficient Session Invalidation after User LogoutEPSS 0.1%