GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2025-59900 (GCVE-0-2025-59900)

Vulnerability from cvelistv5 – Published: 2026-01-28 12:00 – Updated: 2026-01-28 15:23
VLAI
Title
Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server
Summary
Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in  '/server_options?sid=', affecting the 'tasks_logs_dir', 'errors_logs_dir', 'error_notifications_address', 'status_notifications_address', and 'status_reports_address' parameters.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-28 15:20 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Impacted products
Vendor Product Version CPE status
Flexense Sync Breeze Enterprise Server Affected: v10.4.18
    cpe:2.3:a:flexense:sync_breeze_enterprise_server:v10.4.18:*:*:*:*:*:*:*
Create a notification for this product.
Flexense Disk Pulse Enterprise Affected: v10.4.18
    cpe:2.3:a:flexense:disk_pulse_enterprise:v10.4.18:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-01-20 11:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-59900",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-28T15:20:19.178592Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-28T15:23:07.693Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Sync Breeze Enterprise Server",
          "vendor": "Flexense",
          "versions": [
            {
              "status": "affected",
              "version": "v10.4.18"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Disk Pulse Enterprise",
          "vendor": "Flexense",
          "versions": [
            {
              "status": "affected",
              "version": "v10.4.18"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:flexense:sync_breeze_enterprise_server:v10.4.18:*:*:*:*:*:*:*",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:flexense:disk_pulse_enterprise:v10.4.18:*:*:*:*:*:*:*",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Rafael Pedrero"
        }
      ],
      "datePublic": "2026-01-20T11:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in\u0026nbsp; \u0027/server_options?sid=\u0027, affecting the \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027, and \u0027status_reports_address\u0027 parameters."
            }
          ],
          "value": "Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in\u00a0 \u0027/server_options?sid=\u0027, affecting the \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027, and \u0027status_reports_address\u0027 parameters."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-28T12:00:05.516Z",
        "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "shortName": "INCIBE"
      },
      "references": [
        {
          "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-flexense-products"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
    "assignerShortName": "INCIBE",
    "cveId": "CVE-2025-59900",
    "datePublished": "2026-01-28T12:00:05.516Z",
    "dateReserved": "2025-09-23T10:22:34.913Z",
    "dateUpdated": "2026-01-28T15:23:07.693Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-59900",
      "date": "2026-09-16",
      "epss": "0.00184",
      "percentile": "0.08187"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-59900\",\"sourceIdentifier\":\"cve-coordination@incibe.es\",\"published\":\"2026-01-28T12:15:51.760\",\"lastModified\":\"2026-06-17T09:46:51.477\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in\u00a0 \u0027/server_options?sid=\u0027, affecting the \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027, and \u0027status_reports_address\u0027 parameters.\"},{\"lang\":\"es\",\"value\":\"Sync Breeze Enterprise Server v10.4.18 y Disk Pulse Enterprise v10.4.18 contienen una persistente autenticada vulnerabilidad de cross-site scripting (XSS). Un atacante podr\u00eda enviar contenido malicioso a un usuario autenticado y robar informaci\u00f3n de su sesi\u00f3n debido a la validaci\u00f3n insuficiente de la entrada del usuario en \u0027/server_options?sid=\u0027, afectando a los par\u00e1metros \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027 y \u0027status_reports_address\u0027.\"}],\"affected\":[{\"source\":\"cve-coordination@incibe.es\",\"affectedData\":[{\"vendor\":\"Flexense\",\"product\":\"Sync Breeze Enterprise Server\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"v10.4.18\",\"status\":\"affected\"}]},{\"vendor\":\"Flexense\",\"product\":\"Disk Pulse Enterprise\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"v10.4.18\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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\":5.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"PASSIVE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"LOW\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"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\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.3,\"impactScore\":2.7}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-01-28T15:20:19.178592Z\",\"id\":\"CVE-2025-59900\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:flexense:diskpulse:10.4.18:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"0DFC56D8-390C-44BD-B53F-89BD72D230C3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:flexense:syncbreeze:10.4.18:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"3CB4F42C-FC29-4084-BBDC-352145F53A35\"}]}]}],\"references\":[{\"url\":\"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-flexense-products\",\"source\":\"cve-coordination@incibe.es\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-01-29T15:18:45+00:00",
      "cve": "CVE-2025-59900",
      "id": "CVE-2025-59900",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59900.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-59900\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-28T15:20:19.178592Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-28T15:22:13.014Z\"}}], \"cna\": {\"title\": \"Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Rafael Pedrero\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 5.1, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"PASSIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Flexense\", \"product\": \"Sync Breeze Enterprise Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"v10.4.18\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Flexense\", \"product\": \"Disk Pulse Enterprise\", \"versions\": [{\"status\": \"affected\", \"version\": \"v10.4.18\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-01-20T11:00:00.000Z\", \"references\": [{\"url\": \"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-flexense-products\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in\\u00a0 \u0027/server_options?sid=\u0027, affecting the \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027, and \u0027status_reports_address\u0027 parameters.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in\u0026nbsp; \u0027/server_options?sid=\u0027, affecting the \u0027tasks_logs_dir\u0027, \u0027errors_logs_dir\u0027, \u0027error_notifications_address\u0027, \u0027status_notifications_address\u0027, and \u0027status_reports_address\u0027 parameters.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:flexense:sync_breeze_enterprise_server:v10.4.18:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:flexense:disk_pulse_enterprise:v10.4.18:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"0cbda920-cd7f-484a-8e76-bf7f4b7f4516\", \"shortName\": \"INCIBE\", \"dateUpdated\": \"2026-01-28T12:00:05.516Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-59900\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-28T15:23:07.693Z\", \"dateReserved\": \"2025-09-23T10:22:34.913Z\", \"assignerOrgId\": \"0cbda920-cd7f-484a-8e76-bf7f4b7f4516\", \"datePublished\": \"2026-01-28T12:00:05.516Z\", \"assignerShortName\": \"INCIBE\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…