The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS)…
Summary
Vulnerability reported (CVE-2020-8288). Risk of unauthorized operations or information disclosure. Exploitable via specializedRendering.
Original description
The description as published by the source.
The specializedRendering function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the value parameter.
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-2020-8288 has been found.
Attackers can target a specific entry point like specializedRendering over the network to misuse the product.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2020-8288" on the vendor's site.
CVE-2020-8288
Attack vector: remote (network-reachable)
Attack surface: specializedRendering / value
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.
A vulnerability (unclassified) has been reported. Attackers reach the vulnerable code path via specializedRendering.
Check the vendor advisory for the affected versions. Attack surface: specializedRendering / value.
Severity: ?. 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
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
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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
- advisory docs.rocket.chat
- patch rocket.chat
- report hackerone.com