CVE-2023-43770
Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
Roundcube WebmailApplications & CMS
CVSS
6.1MediumExploit odds (EPSS)63.7%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 5
- github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49bFixvia CVE List
- roundcube.net/news/2023/09/15/security-update-1.6.3-releasedAdvisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2023-43770Referencevia CISA KEV
- lists.debian.org/debian-lts-announce/2023/09/msg00024.htmlReferencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770Referencevia CVE List