CVE-2020-18670
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in ...
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.4
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
CVE-2020-18670- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
CVE-2020-18670- Updated
- 2026-11-02
EUVDEUVD-2020-10594 No score
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
EUVD-2020-10594- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hj5j-mwv8-vhfp
5.4
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in ...
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
GHSA-hj5j-mwv8-vhfp- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
5.4
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
CVE-2020-18670- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-18670
5.4
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
DEBIAN-CVE-2020-18670- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Show 8 moreShow less
OSVUBUNTU-CVE-2020-18670
5.4
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
UBUNTU-CVE-2020-18670- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-roundcube-2020-18670 No score
Cross Site Scripting (XSS) vulneraibility in Roundcube mail .4.4 via database host and user in /installer/test.php.
- Record
BIT-roundcube-2020-18670- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0931-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
- Record
openSUSE-SU-2021:0931-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0942-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
- Record
openSUSE-SU-2021:0942-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0943-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
- Record
openSUSE-SU-2021:0943-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0959-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
This update was imported from the openSUSE:Leap:15.2:Update update project.
- Record
openSUSE-SU-2021:0959-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0974-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
This update was imported from the openSUSE:Leap:15.2:Update update project.
- Record
openSUSE-SU-2021:0974-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2021:1014-1 No score
Security update for roundcubemail
This update for roundcubemail fixes the following issues:
Upgrade to version 1.3.16
This is a security update to the LTS version 1.3.
It fixes a recently reported stored cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content.
References:
- CVE-2020-18670: Cross Site Scripting (XSS) vulneraibility via database host and user in /installer/test.php (boo#1187707)
- CVE-2020-18671: Cross Site Scripting (XSS) vulnerability via smtp config in /installer/test.php (boo#1187706)
- CVE-2020-35730: cross-site scripting (XSS) vulnerability via HTML or plain text messages with malicious content (boo#1180399)
This update was imported from the openSUSE:Leap:15.2:Update update project.
- Record
openSUSE-SU-2021:1014-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
roundcubeBitnami |
1.4.4 to 1.4.4 | None known |
roundcubeDebian:12 |
before 1.4.5+dfsg.1-1 | 1.4.5+dfsg.1-1 |
roundcubeDebian:13 |
before 1.4.5+dfsg.1-1 | 1.4.5+dfsg.1-1 |
roundcubeDebian:14 |
before 1.4.5+dfsg.1-1 | 1.4.5+dfsg.1-1 |
roundcubemailopenSUSE:Leap 15.2 |
before 1.3.16-lp152.4.6.1 | 1.3.16-lp152.4.6.1 |
roundcubemailSUSE:Package Hub 15 SP2 |
before 1.3.16-bp152.4.6.1 | 1.3.16-bp152.4.6.1 |
roundcubemailSUSE:Package Hub 15 SP1 |
before 1.3.16-bp151.4.6.1 | 1.3.16-bp151.4.6.1 |
roundcubemailSUSE:Package Hub 15 SP2 |
before 1.3.16-bp152.4.10.1 | 1.3.16-bp152.4.10.1 |
roundcubemailSUSE:Package Hub 15 SP2 |
before 1.3.16-bp152.4.14.1 | 1.3.16-bp152.4.14.1 |
roundcubemailSUSE:Package Hub 15 SP2 |
before 1.3.16-bp152.4.18.1 | 1.3.16-bp152.4.18.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-18670 is a medium vulnerability (CVSS 5.4) in Roundcube Webmail, published June 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in roundcube 1.4.5+dfsg.1-1.
References
github.com/roundcube/roundcubemail/issues/7406
roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12
lorexxar.cn/2020/06/10/roundcube-mail-xss
nvd.nist.gov/vuln/detail/CVE-2020-18670
github.com/advisories/GHSA-hj5j-mwv8-vhfp
security-tracker.debian.org/tracker/CVE-2020-18670
Show 14 moreShow less
ubuntu.com/security/CVE-2020-18670
cve.org/CVERecord?id=CVE-2020-18670
lists.opensuse.org/archives/list/[email protected]/thread/BPPHYZD6Y3QJBTGPLX66Y3DJ3KCNEUJQ
bugzilla.suse.com/1180399
bugzilla.suse.com/1187706
bugzilla.suse.com/1187707
suse.com/security/cve/CVE-2020-18670
suse.com/security/cve/CVE-2020-18671
suse.com/security/cve/CVE-2020-35730
lists.opensuse.org/archives/list/[email protected]/thread/5DFRT3CZ2UBV2PGLI4GUZ7AGDCQXVUQR
lists.opensuse.org/archives/list/[email protected]/thread/5ELZ4EA3I6BCVA2NQEVPSEZ2M3Y5ASM3
lists.opensuse.org/archives/list/[email protected]/thread/MQFQAJIVNNLDRXMOUJWPMCCBT4WU5N5O
lists.opensuse.org/archives/list/[email protected]/thread/CGT4RWCLEWSTAAYEWMVZRY24ZY53D2Z3
lists.opensuse.org/archives/list/[email protected]/thread/XDARRLWABODNP6ABT3DQ34TPYSH3ROH5