CVE-2020-8288 - Vulnerability Details - OpenCVE

Description

The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter.

Published: 2021-01-21

Score: 5.4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Rocket.Chat server

affected

Version	Status	Constraints
`Fixed in 3.9.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-29156	The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00848.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://docs.rocket.chat/guides/security/security-updates
https://hackerone.com/reports/899954
https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/

History

No history.

Subscriptions

Rocket.chat Rocket.chat

MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2021-01-21T19:13:16.000Z

Updated: 2024-08-04T09:56:28.391Z

Reserved: 2020-01-28T00:00:00.000Z

Link: CVE-2020-8288

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-01-26T18:16:08.367

Modified: 2026-06-17T03:26:13.730

Link: CVE-2020-8288

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"containers": {"cna": {"affected": [{"product": "Rocket.Chat server", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in 3.9.2"}]}], "descriptions": [{"lang": "en", "value": "The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "Cross-site Scripting (XSS) - Stored (CWE-79)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-21T19:13:16.000Z", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/899954"}, {"tags": ["x_refsource_MISC"], "url": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/"}, {"tags": ["x_refsource_MISC"], "url": "https://docs.rocket.chat/guides/security/security-updates"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2020-8288", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Rocket.Chat server", "version": {"version_data": [{"version_value": "Fixed in 3.9.2"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cross-site Scripting (XSS) - Stored (CWE-79)"}]}]}, "references": {"reference_data": [{"name": "https://hackerone.com/reports/899954", "refsource": "MISC", "url": "https://hackerone.com/reports/899954"}, {"name": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/", "refsource": "MISC", "url": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/"}, {"name": "https://docs.rocket.chat/guides/security/security-updates", "refsource": "MISC", "url": "https://docs.rocket.chat/guides/security/security-updates"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:56:28.391Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/899954"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://docs.rocket.chat/guides/security/security-updates"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2020-8288", "datePublished": "2021-01-21T19:13:16.000Z", "dateReserved": "2020-01-28T00:00:00.000Z", "dateUpdated": "2024-08-04T09:56:28.391Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Rocket.Chat server", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in 3.9.2"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*", "matchCriteriaId": "6EF9B315-0C33-469E-A96C-77B613CA07BD", "versionEndExcluding": "3.9.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The `specializedRendering` function in Rocket.Chat server before 3.9.2 allows a cross-site scripting (XSS) vulnerability by way of the `value` parameter."}, {"lang": "es", "value": "La funci\u00f3n \"SpecialtyRendering\" en el servidor Rocket.Chat versiones anteriores a 3.9.2, permite una vulnerabilidad de tipo cross-site scripting (XSS) mediante el par\u00e1metro \"value\""}], "id": "CVE-2020-8288", "lastModified": "2026-06-17T03:26:13.730", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-26T18:16:08.367", "references": [{"source": "support@hackerone.com", "tags": ["Vendor Advisory"], "url": "https://docs.rocket.chat/guides/security/security-updates"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/899954"}, {"source": "support@hackerone.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://docs.rocket.chat/guides/security/security-updates"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/899954"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://rocket.chat/xss-vulnerability-hotfix-available-for-all-affected-versions/"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}