CVE-2023-5631: Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.
| Vendor | Roundcube |
|---|---|
| Product | Webmail |
| Date added to KEV | 2023-10-26 |
| Due date (BOD 22-01) | 2023-11-16 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-79 |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
What to do
- Identify every instance of Roundcube Webmail in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Federal civilian agencies must act by 2023-11-16 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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