RoundCube Webmail up to 1.4.9 Email Message rcube_string_replacer.php linkref_addindex cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in RoundCube Webmail up to 1.4.9. Affected is the function linkref_addindex of the file rcube_string_replacer.php of the component Email Message Handler. The manipulation results in cross site scripting.
This vulnerability is reported as CVE-2020-35730. The attack can be launched remotely. Moreover, an exploit is present.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in RoundCube Webmail up to 1.4.9 (Mail Client Software). It has been classified as problematic. Affected is the function linkref_addindex of the file rcube_string_replacer.php of the component Email Message Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:
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.
The weakness was disclosed 12/29/2020. The advisory is available at bugs.debian.org. This vulnerability is traded as CVE-2020-35730. Successful exploitation requires user interaction by the victim. Technical details and a exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
It is declared as attacked. By approaching the search of inurl:rcube_string_replacer.php it is possible to find vulnerable targets with Google Hacking. This issue was added on 06/22/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/13/2023:
Apply updates per vendor instructions.Upgrading to version 1.4.10 eliminates this vulnerability. The upgrade is hosted for download at github.com.
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Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.2
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CNA Base Score: 6.1
CNA Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Attacked
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Webmail 1.4.10
Timeline
12/29/2020 🔍12/29/2020 🔍
05/04/2025 🔍
Sources
Advisory: bugs.debian.orgStatus: Confirmed
CVE: CVE-2020-35730 (🔍)
GCVE (CVE): GCVE-0-2020-35730
GCVE (VulDB): GCVE-100-166902
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/29/2020 09:24Updated: 05/04/2025 15:46
Changes: 12/29/2020 09:24 (42), 04/28/2024 20:31 (30), 06/28/2024 02:28 (20), 09/09/2024 22:30 (1), 02/05/2025 07:57 (11), 05/04/2025 15:46 (3)
Complete: 🔍
Cache ID: 216::103
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