CVE-2021-29271 - Vulnerability Details - OpenCVE

Description

remark42 before 1.6.1 allows XSS, as demonstrated by "Locator: Locator{URL:" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go.

Published: 2021-03-27

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

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

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:remark42:remark42:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-15909	remark42 before 1.6.1 allows XSS, as demonstrated by "Locator: Locator{URL:" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00793.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1
https://vuln.ryotak.me/advisories/19

History

No history.

Subscriptions

Remark42 Remark42

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-03-27T17:57:06.000Z

Updated: 2024-08-03T22:02:51.599Z

Reserved: 2021-03-27T00:00:00.000Z

Link: CVE-2021-29271

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-27T18:15:13.457

Modified: 2026-06-17T03:47:28.820

Link: CVE-2021-29271

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "remark42 before 1.6.1 allows XSS, as demonstrated by \"Locator: Locator{URL:\" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-05T05:40:49.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1"}, {"tags": ["x_refsource_MISC"], "url": "https://vuln.ryotak.me/advisories/19"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-29271", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "remark42 before 1.6.1 allows XSS, as demonstrated by \"Locator: Locator{URL:\" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1", "refsource": "MISC", "url": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1"}, {"name": "https://vuln.ryotak.me/advisories/19", "refsource": "MISC", "url": "https://vuln.ryotak.me/advisories/19"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:02:51.599Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://vuln.ryotak.me/advisories/19"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-29271", "datePublished": "2021-03-27T17:57:06.000Z", "dateReserved": "2021-03-27T00:00:00.000Z", "dateUpdated": "2024-08-03T22:02:51.599Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:remark42:remark42:*:*:*:*:*:*:*:*", "matchCriteriaId": "DE5032AA-F5E5-4401-BA73-5D9693828F9A", "versionEndExcluding": "1.6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "remark42 before 1.6.1 allows XSS, as demonstrated by \"Locator: Locator{URL:\" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go."}, {"lang": "es", "value": "comment42 versiones anteriores a 1.6.1, permite un ataque de tipo XSS, como es demostrado por \"Locator:Locator{URL:\" seguido de una carga \u00fatil XSS. Esto est\u00e1 relacionado con los archivos backend/app/store/comment.go y backend/app/store/service/service.go."}], "id": "CVE-2021-29271", "lastModified": "2026-06-17T03:47:28.820", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "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": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-27T18:15:13.457", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://vuln.ryotak.me/advisories/19"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuln.ryotak.me/advisories/19"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}