CVE-2023-43770 KEV
6.1
MEDIUM · CVSS 3.1 · EPSS 63.7% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2024-03-04.
Description
Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.
Scoring
| CVSS | 6.1 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 63.66% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | yes — remediate by 2024-03-04 |
| Public exploit | none known |
| Published | 2023-09-22 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability |
|---|---|
| Added | 2024-02-12 |
| Due | 2024-03-04 |
| Vendor / product | Roundcube / Webmail |
| Ransomware use | none reported |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| roundcube | webmail |
References
- https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b
- https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html
- https://roundcube.net/news/2023/09/15/security-update-1.6.3-released
- https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b
- https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html
- https://roundcube.net/news/2023/09/15/security-update-1.6.3-released
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770
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