CVE-2026-2971

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 23.3% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-02-23 04:32Z6 MO AGO

Last updated

2026-02-23 13:59Z6 MO AGO

Reserved

2026-02-22

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS: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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.2

Document digest

0ff5ce49aa17389816836fe9e6e3ad412847251378af5a93e65598b75a68344b

• vuldb.comVDB-347338 | a466350665 Smart-SSO Login login.html cross site scriptinghttps://vuldb.com/?id.347338vdb-entrytechnical-description
• vuldb.comVDB-347338 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/?ctiid.347338signaturepermissions-required
• vuldb.comSubmit #756025 | a466350665 Smart-SSO <=2.1.1 Reflected XSShttps://vuldb.com/?submit.756025third-party-advisory
• www.notion.sohttps://www.notion.so/Smart-SSO-Reflected-XSS-vulnerabilities-in-redirectUri-parameter-304ea92a3c41805a8223c4ba75831802exploit