CVE-2021-24976

Smart SEO Tool < 3.0.6 - Reflected Cross-Site Scripting

View on CVE.org

Published Jan 24, 2022 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Description

The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting

Affected Products

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

Smart SEO Tool – SEO优化插件

affected

Version	Status	Constraints
`3.0.6`	affected	< 3.0.6

Configuration 1 [-]

cpe:2.3:a:wbolt:smart_seo_tool:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-11888	The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting

Metrics

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 High

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.917% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://plugins.trac.wordpress.org/changeset/2637305
https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0

History

No history.

Subscriptions

Wbolt Smart Seo Tool

Weaknesses

CWE-79

Sources

CVE record Updated: Aug 3, 2024, 7:49 PM

Status: PUBLISHED
Assigner: WPScan
Published: Jan 24, 2022, 8:01 AM
Updated: Aug 3, 2024, 7:49 PM
Reserved: Jan 14, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:41 AM

Status: Modified
Published: Jan 24, 2022, 8:15 AM
Modified: Jun 17, 2026, 3:41 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "Smart SEO Tool \u2013 SEO\u4f18\u5316\u63d2\u4ef6", "vendor": "Unknown", "versions": [{"lessThan": "3.0.6", "status": "affected", "version": "3.0.6", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "lnsmile"}], "descriptions": [{"lang": "en", "value": "The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-24T08:01:02.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://plugins.trac.wordpress.org/changeset/2637305"}], "source": {"discovery": "EXTERNAL"}, "title": "Smart SEO Tool < 3.0.6 - Reflected Cross-Site Scripting", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24976", "STATE": "PUBLIC", "TITLE": "Smart SEO Tool < 3.0.6 - Reflected Cross-Site Scripting"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Smart SEO Tool \u2013 SEO\u4f18\u5316\u63d2\u4ef6", "version": {"version_data": [{"version_affected": "<", "version_name": "3.0.6", "version_value": "3.0.6"}]}}]}, "vendor_name": "Unknown"}]}}, "credit": [{"lang": "eng", "value": "lnsmile"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting"}]}, "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/7d5f58a8-bee4-46be-9c08-d272678338f0", "refsource": "MISC", "url": "https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0"}, {"name": "https://plugins.trac.wordpress.org/changeset/2637305", "refsource": "CONFIRM", "url": "https://plugins.trac.wordpress.org/changeset/2637305"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:49:14.366Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://plugins.trac.wordpress.org/changeset/2637305"}]}]}, "cveMetadata": {"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24976", "datePublished": "2022-01-24T08:01:02.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2024-08-03T19:49:14.366Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Smart SEO Tool \u2013 SEO\u4f18\u5316\u63d2\u4ef6", "vendor": "Unknown", "versions": [{"lessThan": "3.0.6", "status": "affected", "version": "3.0.6", "versionType": "custom"}]}], "source": "contact@wpscan.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wbolt:smart_seo_tool:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "09590A89-293B-434D-A106-2DE0A565C304", "versionEndExcluding": "3.0.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting"}, {"lang": "es", "value": "El plugin Smart SEO Tool de WordPress versiones anteriores a 3.0.6, no sanea y escapa del par\u00e1metro search antes de devolverlo en un atributo cuando la configuraci\u00f3n de optimizaci\u00f3n TDK est\u00e1 habilitada, conllevando a un ataque de tipo Cross-Site Scripting Reflejado"}], "id": "CVE-2021-24976", "lastModified": "2026-06-17T03:41:15.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "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": "2022-01-24T08:15:09.043", "references": [{"source": "contact@wpscan.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset/2637305"}, {"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://plugins.trac.wordpress.org/changeset/2637305"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "contact@wpscan.com", "type": "Secondary"}]}