CVE-2021-24813 - Vulnerability Details - OpenCVE

Description

The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Published: 2021-11-01

Score: 4.8 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

Unknown

Events Made Easy

affected

Version	Status	Constraints
`2.2.24`	affected	< 2.2.24

Configuration 1 [-]

cpe:2.3:a:e-dynamics:events_made_easy:*:*:*:*:*:wordpress:*:*

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-2021-11725	The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

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 0.00206.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://plugins.trac.wordpress.org/changeset/2607749/
https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752

History

No history.

Subscriptions

E-dynamics Events Made Easy

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2021-11-01T08:46:32.000Z

Updated: 2024-08-03T19:42:17.348Z

Reserved: 2021-01-14T00:00:00.000Z

Link: CVE-2021-24813

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-01T09:15:09.690

Modified: 2024-11-21T05:53:48.840

Link: CVE-2021-24813

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

{"containers": {"cna": {"affected": [{"product": "Events Made Easy", "vendor": "Unknown", "versions": [{"lessThan": "2.2.24", "status": "affected", "version": "2.2.24", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Huy Nguyen"}], "descriptions": [{"lang": "en", "value": "The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-01T08:46:32.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://plugins.trac.wordpress.org/changeset/2607749/"}], "source": {"discovery": "EXTERNAL"}, "title": "Events Made Easy < 2.2.24 - Admin+ Stored Cross-Site Scripting", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24813", "STATE": "PUBLIC", "TITLE": "Events Made Easy < 2.2.24 - Admin+ Stored Cross-Site Scripting"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Events Made Easy", "version": {"version_data": [{"version_affected": "<", "version_name": "2.2.24", "version_value": "2.2.24"}]}}]}, "vendor_name": "Unknown"}]}}, "credit": [{"lang": "eng", "value": "Huy Nguyen"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed"}]}, "generator": "WPScan CVE Generator", "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752", "refsource": "MISC", "url": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752"}, {"name": "https://plugins.trac.wordpress.org/changeset/2607749/", "refsource": "CONFIRM", "url": "https://plugins.trac.wordpress.org/changeset/2607749/"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:42:17.348Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://plugins.trac.wordpress.org/changeset/2607749/"}]}]}, "cveMetadata": {"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24813", "datePublished": "2021-11-01T08:46:32.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2024-08-03T19:42:17.348Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:e-dynamics:events_made_easy:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "1A369231-C6F8-4A5A-9614-BCB450DD4D44", "versionEndExcluding": "2.2.24", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed"}, {"lang": "es", "value": "El plugin Events Made Easy de WordPress versiones anteriores a 2.2.24, no sanea ni escapa de los Nombres de los Campos Custom, permitiendo a usuarios con altos privilegios llevar a cabo ataques de tipo Cross-Site Scripting incluso cuando la capacidad unfiltered_html no est\u00e1 permitida"}], "id": "CVE-2021-24813", "lastModified": "2024-11-21T05:53:48.840", "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": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-01T09:15:09.690", "references": [{"source": "contact@wpscan.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset/2607749/"}, {"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset/2607749/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "contact@wpscan.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}