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7 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.
Action captions in Vaadin accept HTML by default but were not sanitized, potentially allowing Cross-site Scripting (XSS) if caption content is derived from user input. In Vaadin Framework 7 and 8, the Action class is a general-purpose class that may be used by multiple components. The fixed versions sanitize captions by default and provide an API to explicitly enable HTML content mode for backwards compatibility. In Vaadin 23 and newer, the Action class is only used by the Spreadsheet component. The fixed versions sanitize HTML using Jsoup with a relaxed safelist. Vaadin 14 is not affected as Spreadsheet component was not supported. Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Vaadin 7.0.0 - 7.7.49 Vaadin 8.0.0 - 8.29.1 Vaadin 23.1.0 - 23.6.5 Vaadin 24.0.0 - 24.8.13 Vaadin 24.9.0 - 24.9.6 Mitigation Upgrade to 7.7.50 Upgrade to 8.30.0 Upgrade to 23.6.6 Upgrade to 24.8.14 or 24.9.7 Upgrade to…
Recommended action: Upgrade to 8.30.0 or 7.7.50 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
When the Vaadin Upload's start listener is used to validate metadata about an incoming upload, it is possible to bypass the upload validation. Users of affected versions should apply the upgrade to a more recent Vaadin version.
Recommended action: Upgrade to 8.28.2 or 7.7.48 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.
Recommended action: Upgrade to 8.14.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.
Recommended action: Upgrade to 8.14.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack - https://vaadin.com/security/cve-2021-31403
Recommended action: Upgrade to 8.12.3 or 7.7.24 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Missing variable sanitization in Grid component in com.vaadin:vaadin-server versions 7.4.0 through 7.7.19 (Vaadin 7.4.0 through 7.7.19), and 8.0.0 through 8.8.4 (Vaadin 8.0.0 through 8.8.4) allows attacker to inject malicious JavaScript via unspecified vector. - https://vaadin.com/security/cve-2019-25028
Recommended action: Upgrade to 8.8.5 or 7.7.20 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses. - https://vaadin.com/security/cve-2020-36320
Recommended action: Upgrade to 7.7.22 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.