Cloudron 6.2 Login Page returnTo cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cloudron 6.2. This vulnerability affects unknown code of the component Login Page. The manipulation of the argument returnTo results in cross site scripting. This vulnerability is identified as CVE-2021-40868. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Cloudron 6.2 (Cloud Software). Affected is an unknown part of the component Login Page. The manipulation of the argument returnTo 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.

The weakness was released 09/21/2021 as 164183. The advisory is available at packetstormsecurity.com. This vulnerability is traded as CVE-2021-40868 since 09/13/2021. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50317). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2021 🔍
09/21/2021 +8 days 🔍
09/21/2021 +0 days 🔍
05/03/2025 +1320 days 🔍

Sourcesinfo

Advisory: 164183
Status: Not defined

CVE: CVE-2021-40868 (🔍)
GCVE (CVE): GCVE-0-2021-40868
GCVE (VulDB): GCVE-100-183186
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/21/2021 20:49
Updated: 05/03/2025 07:34
Changes: 09/21/2021 20:49 (39), 10/01/2021 08:15 (1), 11/15/2024 02:35 (23), 05/03/2025 07:34 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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