Risk Letters

Exploited vulnerability

CVE-2023-5631

TLP:CLEAR

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.

Facts

  • Vendor: Roundcube
  • Product: Webmail
  • CVSS: 6.1
  • EPSS (probability of exploitation within 30 days): 76.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 26 October 2023
  • First known exploitation: 26 October 2023
  • CISA's deadline for US federal agencies: 16 November 2023
  • Weakness: CWE-79
  • First seen by Risk Letters: 26 October 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD