Vulnerability details
CVE-2023-43770
Actively exploited
Debian debian_linuxRoundcube Webmail
CVSS 3.1
6.1Medium
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 6.1Medium | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Debian | debian_linux | 10 | CISA ADP / Vulnrichment |
| Roundcube | Webmail | v < 1.4.14 | CISA ADP / Vulnrichment |
| Roundcube | Webmail | 1.5.0 ≤ v < 1.5.4 | CISA ADP / Vulnrichment |
| Roundcube | Webmail | 1.6.0 ≤ v < 1.6.3 | CISA ADP / Vulnrichment |
References and advisories
4- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770 government-resource
- https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b
- https://roundcube.net/news/2023/09/15/security-update-1.6.3-released
- https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html mailing-list
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Details
- Published
- 2023-09-22
- Last updated
- 2025-10-22
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 84 · Critical
CISA KEV catalog
- Date added
- 2024-02-12
- Due date
- 2024-03-04
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
63.66%
Probability of exploitation in 30 days
99.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')