Cross-Site Scripting (XSS) in Live Chat Unlimited (CVE-2019-25737)
Summary
Cross-site scripting in Live Chat Unlimited (CVE-2019-25737). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2019-25737 has been found in Live Chat Unlimited.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Live Chat Unlimited CVE-2019-25737" on the vendor's site.
CVE-2019-25737 (Live Chat Unlimited) — CWE-79 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Cross-site scripting (XSS) (CWE-79) exists in Live Chat Unlimited.
Check the vendor advisory for the affected versions of Live Chat Unlimited.
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Live Chat Unlimited を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web nvd.nist.gov
- web disclosure@vulncheck.com
- web screets.com
- web disclosure@vulncheck.com
- web disclosure@vulncheck.com
- web github.com
- web disclosure@vulncheck.com