CVE-2026-2971 (GCVE-0-2026-2971)

Vulnerability from cvelistv5 – Published: 2026-02-23 04:32 – Updated: 2026-02-23 13:59
VLAI
Title
a466350665 Smart-SSO Login login.html cross site scripting
Summary
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.
Severity
5.3 (Medium)
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
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.347338 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347338 signaturepermissions-required
https://vuldb.com/?submit.756025 third-party-advisory
https://www.notion.so/Smart-SSO-Reflected-XSS-vul… exploit
Impacted products
Vendor Product Version
a466350665 Smart-SSO Affected: 2.1.0
Affected: 2.1.1
Create a notification for this product.
Credits
din4 (VulDB User)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2971",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-23T13:58:49.235984Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-23T13:59:00.367Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Login"
          ],
          "product": "Smart-SSO",
          "vendor": "a466350665",
          "versions": [
            {
              "status": "affected",
              "version": "2.1.0"
            },
            {
              "status": "affected",
              "version": "2.1.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "din4 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Cross Site Scripting",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Code Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T04:32:08.559Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-347338 | a466350665 Smart-SSO Login login.html cross site scripting",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.347338"
        },
        {
          "name": "VDB-347338 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.347338"
        },
        {
          "name": "Submit #756025 | a466350665 Smart-SSO \u003c=2.1.1 Reflected XSS",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.756025"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://www.notion.so/Smart-SSO-Reflected-XSS-vulnerabilities-in-redirectUri-parameter-304ea92a3c41805a8223c4ba75831802"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-22T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-02-22T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-02-22T09:21:32.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "a466350665 Smart-SSO Login login.html cross site scripting"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-2971",
    "datePublished": "2026-02-23T04:32:08.559Z",
    "dateReserved": "2026-02-22T08:16:22.824Z",
    "dateUpdated": "2026-02-23T13:59:00.367Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-2971",
      "date": "2026-06-03",
      "epss": "0.00047",
      "percentile": "0.14886"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-2971\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-02-23T05:16:20.663\",\"lastModified\":\"2026-04-29T01:00:01.613\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 una vulnerabilidad en a466350665 Smart-SSO hasta 2.1.1 que afectada a alguna funcionalidad desconocida del archivo smart-sso-server/src/main/resources/templates/login.html del componente Login. Al manipular el argumento redirectUri se provoca un cross site scripting. Es posible llevar a cabo el ataque en remoto. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado. El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n pero no respondi\u00f3 de ninguna manera.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"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\",\"baseScore\":2.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"PASSIVE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"},{\"lang\":\"en\",\"value\":\"CWE-94\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:a466350665:smart-sso:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.1.1\",\"matchCriteriaId\":\"CA78D715-FF92-4E8C-978F-BFA8D72BA41F\"}]}]}],\"references\":[{\"url\":\"https://vuldb.com/?ctiid.347338\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Permissions Required\",\"VDB Entry\"]},{\"url\":\"https://vuldb.com/?id.347338\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://vuldb.com/?submit.756025\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.notion.so/Smart-SSO-Reflected-XSS-vulnerabilities-in-redirectUri-parameter-304ea92a3c41805a8223c4ba75831802\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-2971\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-23T13:58:49.235984Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-23T13:58:53.852Z\"}}], \"cna\": {\"title\": \"a466350665 Smart-SSO Login login.html cross site scripting\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"din4 (VulDB User)\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"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\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 5, \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"vendor\": \"a466350665\", \"modules\": [\"Login\"], \"product\": \"Smart-SSO\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.1.0\"}, {\"status\": \"affected\", \"version\": \"2.1.1\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-02-22T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-02-22T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-02-22T09:21:32.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.347338\", \"name\": \"VDB-347338 | a466350665 Smart-SSO Login login.html cross site scripting\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.347338\", \"name\": \"VDB-347338 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.756025\", \"name\": \"Submit #756025 | a466350665 Smart-SSO \u003c=2.1.1 Reflected XSS\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://www.notion.so/Smart-SSO-Reflected-XSS-vulnerabilities-in-redirectUri-parameter-304ea92a3c41805a8223c4ba75831802\", \"tags\": [\"exploit\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"Cross Site Scripting\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"Code Injection\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-02-23T04:32:08.559Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-2971\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-23T13:59:00.367Z\", \"dateReserved\": \"2026-02-22T08:16:22.824Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-02-23T04:32:08.559Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.