Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability (CVE-2023-43770)
Severity: medium · Patch status: patched · Since 2024-02-12 · CVE-2023-43770
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages. CISA added CVE-2023-43770 to its Known Exploited Vulnerabilities catalog on Feb 12, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 4, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch