CVE-2023-5631
Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
MITRE ATT&CK techniques
How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.
Summary
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.
Affected software
Vendor: Roundcube · Product: Webmail
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Roundcube
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2025-49113 | RoundCube Webmail Deserialization of Untrusted Data Vulnerability | 99.0% | Yes |
| CVE-2020-12641 | Roundcube Webmail Remote Code Execution Vulnerability | 84.5% | Yes |
| CVE-2024-42009 | RoundCube Webmail Cross-Site Scripting Vulnerability | 82.9% | Yes |
| CVE-2020-13965 | Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability | 76.6% | Yes |
| CVE-2024-37383 | RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability | 73.3% | Yes |
| CVE-2021-44026 | Roundcube Webmail SQL Injection Vulnerability | 69.9% | Yes |
| CVE-2023-43770 | Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability | 63.7% | Yes |
| CVE-2017-16651 | Roundcube Webmail File Disclosure Vulnerability | 45.7% | Yes |
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