CVE-2020-35730: roundcube webmail +2 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2020-35730

CVSS 6.1 · Medium KEV · sudah dieksploitasi EPSS 32,9%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada roundcube webmail, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 6.1 (Medium) menurut NVD. Masuk katalog KEV CISA pada 22 Juni 2023, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.

Rincian

Terbit di NVD: 28 Desember 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 32,9% peluang dieksploitasi; lebih tinggi dari 98,3% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Masuk KEV: 22 Juni 2023
Tenggat CISA: 13 Juli 2023 (untuk instansi federal AS)
Ransomware: Belum tercatat
Tindakan wajib: Apply updates per vendor instructions.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
roundcube	webmail	Semua versi sebelum 1.2.13
roundcube	webmail	Versi 1.3.0 hingga sebelum 1.3.16
roundcube	webmail	Versi 1.4 hingga sebelum 1.4.10
fedoraproject	fedora	Versi 32
fedoraproject	fedora	Versi 33
debian	debian linux	Versi 9.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10 patch
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-35730 pemerintah AS
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491 issue tracking · mailing list
https://github.com/roundcube/roundcubemail/releases/tag/1.2.13 release notes
https://github.com/roundcube/roundcubemail/releases/tag/1.3.16 release notes
https://github.com/roundcube/roundcubemail/releases/tag/1.4.10 release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJ... mailing list · release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU... mailing list · release notes
https://roundcube.net/download/ product
https://www.alexbirnberg.com/roundcube-xss.html broken link

Sumber: NVD · CVE.org · KEV CISA · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.