CVE detail
CVE-2023-43770: Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Roundcube · Webmail
- Date added (KEV)
- Feb 12, 2024
- CISA due date
- Mar 04, 2024
- Ransomware campaign use
- Unknown
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor fix: Vendor patch
Scorifya interpretation
AI-generatedA short, structured read of the record above, generated when this page first loads, then cached for a week.
Plain English
Technical detail
From CISA
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.
https://roundcube.net/news/2023/09/15/security-update-1.6.3-released ; https://nvd.nist.gov/vuln/detail/CVE-2023-43770
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Roundcube directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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- https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49bPatch
- https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49bPatch
- https://lists.debian.org/debian-lts-announce/2023/09/msg00024.htmlMailing List
- https://roundcube.net/news/2023/09/15/security-update-1.6.3-releasedRelease Notes
- https://lists.debian.org/debian-lts-announce/2023/09/msg00024.htmlMailing List
- https://roundcube.net/news/2023/09/15/security-update-1.6.3-releasedRelease Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770US Government Resource
Other recent CVEs from Roundcube
- CVE-2025-49113Webmail, RoundCube Webmail Deserialization of Untrusted Data Vulnerability
- CVE-2025-68461Webmail, RoundCube Webmail Cross-site Scripting Vulnerability
- CVE-2024-42009Webmail, RoundCube Webmail Cross-Site Scripting Vulnerability
- CVE-2024-37383Webmail, RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
- CVE-2020-13965Webmail, Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability