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Description

A vulnerability was found in a466350665 Smart-SSO up to 2.1.1. Affected by this issue is some unknown functionality of the file smart-sso-server/src/main/resources/templates/login.html of the component Login. Performing a manipulation of the argument redirectUri results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-02-22 | Published 2026-02-23 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

2.1.0
affected

2.1.1
affected

Timeline

2026-02-22:Advisory disclosed
2026-02-22:VulDB entry created
2026-02-22:VulDB entry last update

Credits

din4 (VulDB User) reporter

References

vuldb.com/?id.347338 (VDB-347338 | a466350665 Smart-SSO Login login.html cross site scripting) vdb-entry technical-description

vuldb.com/?ctiid.347338 (VDB-347338 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.756025 (Submit #756025 | a466350665 Smart-SSO <=2.1.1 Reflected XSS) third-party-advisory

www.notion.so/...-parameter-304ea92a3c41805a8223c4ba75831802 exploit

cve.org (CVE-2026-2971)

nvd.nist.gov (CVE-2026-2971)

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