Roundcube Webmail up to 1.3.11 XML Attachment cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Roundcube Webmail up to 1.3.11. The impacted element is an unknown function of the component XML Attachment Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2020-13965. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Roundcube Webmail up to 1.3.11 (Mail Client Software). Affected by this vulnerability is some unknown processing of the component XML Attachment Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.

The weakness was published 06/09/2020. This vulnerability is known as CVE-2020-13965 since 06/09/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/26/2024 with a due date of 07/17/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading to version 1.3.12 eliminates this vulnerability.

Similar entry is available at VDB-156294. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Roundcube Webmail 1.3.12

Timelineinfo

06/09/2020 🔍
06/09/2020 +0 days 🔍
06/09/2020 +0 days 🔍
11/04/2025 +1974 days 🔍

Sourcesinfo

Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-13965 (🔍)
GCVE (CVE): GCVE-0-2020-13965
GCVE (VulDB): GCVE-100-156295
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/09/2020 07:49
Updated: 11/04/2025 16:31
Changes: 06/09/2020 07:49 (37), 06/09/2020 07:54 (18), 10/22/2020 20:08 (1), 06/26/2024 19:59 (29), 06/27/2024 03:53 (1), 08/14/2024 22:45 (11), 09/09/2024 22:30 (1), 05/05/2025 13:06 (5), 11/04/2025 16:31 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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