Coverage › CVE-2020-35730
CVE-2020-35730 Unmapped
Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
- Vendor / product
- Roundcube — Roundcube Webmail
- Description (CISA)
- Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows an attacker to send a plain text e-mail message with Javascript in a link reference element that is mishandled by linkref_addinindex in rcube_string_replacer.php.
- Added to KEV
- 2023-06-22
- Due date
- 2023-07-13
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Unknown
- CWE
- CWE-79
- CISA notes
- https://roundcube.net/news/2020/12/27/security-updates-1.4.10-1.3.16-and-1.2.13
https://nvd.nist.gov/vuln/detail/CVE-2020-35730 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2020-35730. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-79) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.