CVE-2021-40868

In Cloudron 6.2, the returnTo parameter on the login page is vulnerable to Reflected XSS.

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

9.07% chance of exploitation in the next 30 days, 95th percentile

Nuclei

medium · CWE-79

Published

2021-09-21

Updated

2024-08-04

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/164255/Cloudron-6.2-Cross-Site-Scripting.html
• https://packetstormsecurity.com/files/164183/Cloudron-6.2-Cross-Site-Scripting.html

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-40868.yaml

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/50317

References

• CVE Record
• NVD entry

Related

• CVE-2021-40867
• CVE-2021-40870
• CVE-2021-40866
• CVE-2021-40875
• CVE-2021-40865
• CVE-2021-40888