CVE-2026-59239 (GCVE-0-2026-59239)
Vulnerability from cvelistv5
Published
2026-07-27 17:56
Modified
2026-07-27 18:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Summary
Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user's browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email->body !!} when the recipient opens the message.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Roskus | Prospero Flow CRM |
Version: 1.0.0 ≤ |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-59239",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-27T18:30:57.587132Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-27T18:31:10.854Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"Email module"
],
"product": "Prospero Flow CRM",
"programFiles": [
"app/Services/EmailCreateService.php",
"resources/views/email/view.blade.php",
"app/Http/Controllers/Profile/ProfileSaveController.php"
],
"programRoutines": [
{
"name": "EmailCreateService"
}
],
"repo": "https://github.com/Roskus/prospero-flow-crm",
"vendor": "Roskus",
"versions": [
{
"lessThan": "5.4.4",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.4",
"versionStartIncluding": "1.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Robert Mihaila"
},
{
"lang": "en",
"type": "finder",
"value": "Amirreza Fadaeizadeh Bidari"
},
{
"lang": "en",
"type": "analyst",
"value": "Cristian Fernandez Cornejo"
},
{
"lang": "en",
"type": "analyst",
"value": "Xo\u00e1n M. Otero Jorge"
},
{
"lang": "en",
"type": "coordinator",
"value": "Secur0 CNA"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Gustavo Novaro"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cstrong\u003e\u003c/strong\u003e\nStored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user\u0027s browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with \u003ccode\u003e{!! $email-\u0026gt;body !!}\u003c/code\u003e when the recipient opens the message."
}
],
"value": "Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user\u0027s browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email-\u003ebody !!} when the recipient opens the message."
}
],
"impacts": [
{
"capecId": "CAPEC-592",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-592 Stored XSS"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "LOW",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:L/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"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 (\u0027cross-site scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-27T17:56:08.882Z",
"orgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
"shortName": "Secur0"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://github.com/Roskus/prospero-flow-crm/commit/32efcd5c395ee55119fb9aea502a9d06e4c5adb8"
},
{
"tags": [
"release-notes"
],
"url": "https://github.com/Roskus/prospero-flow-crm/releases"
},
{
"tags": [
"technical-description"
],
"url": "https://secur0.com/en/cna/cve-list/cve-2026-59239-stored-xss-in-prospero-flow-crm-email-body-allows-administrator-account-takeover"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Upgrade to version 5.4.4 or higher."
}
],
"value": "Upgrade to version 5.4.4 or higher."
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"x_open-source"
],
"title": "Stored XSS in Prospero Flow CRM email body allows administrator account takeover",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
"assignerShortName": "Secur0",
"cveId": "CVE-2026-59239",
"datePublished": "2026-07-27T17:56:08.882Z",
"dateReserved": "2026-07-03T11:24:39.242Z",
"dateUpdated": "2026-07-27T18:31:10.854Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"4daa8cea-433a-44bd-9456-53b127fc289a\", \"shortName\": \"Secur0\", \"dateUpdated\": \"2026-07-27T17:56:08.882Z\"}, \"title\": \"Stored XSS in Prospero Flow CRM email body allows administrator account takeover\", \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)\", \"type\": \"CWE\"}]}], \"impacts\": [{\"capecId\": \"CAPEC-592\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-592 Stored XSS\"}]}], \"affected\": [{\"vendor\": \"Roskus\", \"product\": \"Prospero Flow CRM\", \"repo\": \"https://github.com/Roskus/prospero-flow-crm\", \"modules\": [\"Email module\"], \"programFiles\": [\"app/Services/EmailCreateService.php\", \"resources/views/email/view.blade.php\", \"app/Http/Controllers/Profile/ProfileSaveController.php\"], \"programRoutines\": [{\"name\": \"EmailCreateService\"}], \"versions\": [{\"status\": \"affected\", \"version\": \"1.0.0\", \"lessThan\": \"5.4.4\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"cpeApplicability\": [{\"operator\": \"OR\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"1.0.0\", \"versionEndExcluding\": \"5.4.4\"}]}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user\u0027s browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email-\u003ebody !!} when the recipient opens the message.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"\u003cstrong\u003e\u003c/strong\u003e\\nStored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user\u0027s browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with \u003ccode\u003e{!! $email-\u0026gt;body !!}\u003c/code\u003e when the recipient opens the message.\"}]}], \"tags\": [\"x_open-source\"], \"references\": [{\"url\": \"https://github.com/Roskus/prospero-flow-crm/commit/32efcd5c395ee55119fb9aea502a9d06e4c5adb8\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/Roskus/prospero-flow-crm/releases\", \"tags\": [\"release-notes\"]}, {\"url\": \"https://secur0.com/en/cna/cve-list/cve-2026-59239-stored-xss-in-prospero-flow-crm-email-body-allows-administrator-account-takeover\", \"tags\": [\"technical-description\"]}], \"metrics\": [{\"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}], \"cvssV4_0\": {\"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"PASSIVE\", \"vulnConfidentialityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subIntegrityImpact\": \"LOW\", \"vulnAvailabilityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"exploitMaturity\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"valueDensity\": \"NOT_DEFINED\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"version\": \"4.0\", \"baseSeverity\": \"HIGH\", \"baseScore\": 8.6, \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:L/SA:N\"}}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to version 5.4.4 or higher.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"Upgrade to version 5.4.4 or higher.\"}]}], \"credits\": [{\"lang\": \"en\", \"value\": \"Robert Mihaila\", \"type\": \"finder\"}, {\"lang\": \"en\", \"value\": \"Amirreza Fadaeizadeh Bidari\", \"type\": \"finder\"}, {\"lang\": \"en\", \"value\": \"Cristian Fernandez Cornejo\", \"type\": \"analyst\"}, {\"lang\": \"en\", \"value\": \"Xo\\u00e1n M. Otero Jorge\", \"type\": \"analyst\"}, {\"lang\": \"en\", \"value\": \"Secur0 CNA\", \"type\": \"coordinator\"}, {\"lang\": \"en\", \"value\": \"Gustavo Novaro\", \"type\": \"remediation developer\"}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-59239\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-27T18:30:57.587132Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-27T18:31:07.269Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-59239\", \"assignerOrgId\": \"4daa8cea-433a-44bd-9456-53b127fc289a\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Secur0\", \"dateReserved\": \"2026-07-03T11:24:39.242Z\", \"datePublished\": \"2026-07-27T17:56:08.882Z\", \"dateUpdated\": \"2026-07-27T18:31:10.854Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…