CVE-2021-40868
CVE-2021-40868
Vexday Risk Score
38Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Functional exploit
Automatable exploit available (Nuclei/Metasploit).
CVSS —EPSS 9.1%KEV nãoPoC públicaNuclei simMetasploit —Patch —
Lifecycle
21 Sep 2021Published on NVD
22 Sep 2021Public PoC
Weaponization speed
same dayto first PoC
Weaponized quickly — attackers prioritized this vulnerability. Patch urgently.
Recommendation: Plan a near-term fix — a public PoC already exists.
In Cloudron 6.2, the returnTo parameter on the login page is vulnerable to Reflected XSS.
Affected products
n/a · n/apublic PoCs found — 3
cve_referencepacketstormsecurity.com/files/164255/Cloudron-6.2-Cross-Site-Scripting.htmlunverifiedcve_referencepacketstormsecurity.com/files/164183/Cloudron-6.2-Cross-Site-Scripting.htmlunverifiedexploitdbwww.exploit-db.com/exploits/50317unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.