Dear subscribers, We're sharing our latest advisory with you and like to thank everyone who contributed in finding and solving those vulnerabilities. Feel free to join our bug bounty programs for OX App Suite, Dovecot and PowerDNS at YesWeHack. This advisory has also been published at https://documentation.open-xchange.com/appsuite/security/advisories/html/2025/oxas-adv-2025-0001.html. Yours sincerely, Martin Heiland, Open-Xchange GmbH Classification: TLP:GREEN Internal reference: appsuite/web-apps/ui#785 Type: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) Component: frontend Report confidence: Confirmed Solution status: Fixed by vendor Last affected revision: OX App Suite frontend 7.10.6-rev49 First fixed revision: OX App Suite frontend 7.10.6-rev50 Discovery date: 2024-12-13 Solution date: 2025-01-08 Disclosure date: 2025-01-27 CVE: CVE-2024-47875 CVSS: 10.0 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H) Details: Vulnerable DOMPurify shipped with App Suite 7.10.6 and 7.6.3. The DOMPurify third-party library has been updated to resolve known vulnerabilities. Risk: This is done as a precautionary measure, at this time none of the related vulnerabilities is known to be exploitable in context of OX App Suite. No publicly available exploits are known. Solution: Third-party libraries have been updated. --- Internal reference: DOCS-5081 Type: CWE-611 (Improper Restriction of XML External Entity Reference) Component: office Report confidence: Confirmed Solution status: Fixed by vendor Last affected revision: OX App Suite office 7.10.6-rev15 First fixed revision: OX App Suite office 7.10.6-rev16 Discovery date: 2023-09-12 Solution date: 2024-12-03 Disclosure date: 2025-01-27 CVE: CVE-2022-0839 CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Details: Resolving third-party vulnerabilities in the office master (7.10.6) repo. Several third-party libraries have been updated to resolve known vulnerabilities. This includes H2, Xalan, Liquibase and Spring Boot. Risk: This is done as a precautionary measure, at this time none of the related vulnerabilities is known to be exploitable in context of OX App Suite. No publicly available exploits are known. Solution: Third-party libraries have been updated. --- Internal reference: DOCS-5338 Type: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) Component: office Report confidence: Confirmed Solution status: Fixed by vendor Last affected revision: OX App Suite office 7.10.6-rev11 First fixed revision: OX App Suite office 7.10.6-rev12 Discovery date: 2024-12-12 Solution date: 2025-01-27 Disclosure date: 2025-01-27 CVE: CVE-2021-23358 CVSS: 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) Details: Resolving third-party vulnerabilities in the office-ui master (7.10.6) repo. Several third-party libraries have been updated to resolve known vulnerabilities. This includes grunt, dompurify, codecept, underscore and requirejs. Risk: This is done as a precautionary measure, at this time none of the related vulnerabilities is known to be exploitable in context of OX App Suite. No publicly available exploits are known. Solution: Third-party libraries have been updated.