CVE-2019-25737

Live Chat Unlimited 2.8.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts through the chat input field. Attackers can submit payloads containing script tags and event handlers that execute in the admin area, enabling cookie theft or forced redirects to malicious websites.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://codecanyon.net/item/wordpress-live-chat-plugin/3952877
https://screets.com/
https://www.exploit-db.com/exploits/47037
https://www.vulncheck.com/advisories/live-chat-unlimited-stored-cross-site-scripting

Configurations

No configuration.

History

22 Jul 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Live Chat Unlimited 2.8.3 contiene una vulnerabilidad de cross-site scripting almacenado que permite a atacantes no autenticados inyectar scripts maliciosos a través del campo de entrada del chat. Los atacantes pueden enviar cargas útiles que contienen etiquetas de script y manejadores de eventos que se ejecutan en el área de administración, lo que permite el robo de cookies o redirecciones forzadas a sitios web maliciosos.

10 Jun 2026, 02:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.2~~	v2 : unknown v3 : 6.1

04 Jun 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-04 14:16

Updated : 2026-07-22 20:10

NVD link : CVE-2019-25737

Mitre link : CVE-2019-25737

CVE.ORG link : CVE-2019-25737

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2019-25737", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2019-25737", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-11T15:25:16.607439Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "Screets", "product": "Live Chat Unlimited", "versions": [{"status": "affected", "version": "2.8.3"}]}]}], "published": "2026-06-04T14:16:32.007", "references": [{"url": "https://codecanyon.net/item/wordpress-live-chat-plugin/3952877", "source": "disclosure@vulncheck.com"}, {"url": "https://screets.com/", "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/47037", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/live-chat-unlimited-stored-cross-site-scripting", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Live Chat Unlimited 2.8.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts through the chat input field. Attackers can submit payloads containing script tags and event handlers that execute in the admin area, enabling cookie theft or forced redirects to malicious websites."}, {"lang": "es", "value": "Live Chat Unlimited 2.8.3 contiene una vulnerabilidad de cross-site scripting almacenado que permite a atacantes no autenticados inyectar scripts maliciosos a trav\u00e9s del campo de entrada del chat. Los atacantes pueden enviar cargas \u00fatiles que contienen etiquetas de script y manejadores de eventos que se ejecutan en el \u00e1rea de administraci\u00f3n, lo que permite el robo de cookies o redirecciones forzadas a sitios web maliciosos."}], "lastModified": "2026-07-22T20:10:00.127", "sourceIdentifier": "disclosure@vulncheck.com"}