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CVE-2023-5631

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Roundcube WebmailApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.1Medium
ExploitationExploited in the wildAdded to KEV 26 Oct 2023CISA KEV
Exploit odds (EPSS)76.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.6.3Also 1.5.4, 1.5.14CVE List
Federal deadline16 Nov 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 18 Oct 2023, 14:51 UTCPublishedCVE List
  2. 26 Oct 2023Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 6

  • Roundcubemailaffected: 1.6.0 before 1.6.3CVE List
  • Roundcubemailaffected: 1.5.0 before 1.5.4CVE List
  • Roundcubemailaffected: 1.4.0 before 1.5.14CVE List
  • Roundcubemailunaffected: 1.6.4CVE List
  • Roundcubemailunaffected: 1.5.5CVE List
  • Roundcubemailunaffected: 1.5.15CVE List

References 15