{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22216", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-01-06T16:47:17.187Z", "datePublished": "2026-03-13T01:18:16.708Z", "dateUpdated": "2026-03-13T14:14:03.341Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-13T01:18:16.708Z"}, "datePublic": "2026-03-11T00:00:00.000Z", "title": "wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass", "descriptions": [{"lang": "en", "value": "wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Control of Interaction Frequency", "cweId": "CWE-799", "type": "CWE"}]}], "affected": [{"vendor": "gVectors", "product": "wpDiscuz", "versions": [{"version": "0", "status": "affected", "lessThan": "7.6.47", "versionType": "custom"}, {"version": "7.6.47", "status": "unaffected"}], "defaultStatus": "unaffected", "packageURL": "pkg:wordpress-plugin/wpdiscuz"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*", "versionEndExcluding": "7.6.47"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.9, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://wordpress.org/plugins/wpdiscuz/#developers", "name": "wpDiscuz Changelog", "tags": ["patch"]}, {"url": "https://wordpress.org/plugins/wpdiscuz/", "name": "wpDiscuz", "tags": ["product"]}, {"name": "VulnCheck Advisory: wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/wpdiscuz-before-no-rate-limiting-on-subscription-endpoints-with-like-wildcard-bypass"}], "x_generator": {"engine": "scooter"}, "credits": [{"lang": "en", "value": "Scott Moore - VulnCheck", "type": "finder"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-13T14:13:50.294723Z", "id": "CVE-2026-22216", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-13T14:14:03.341Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-22216", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-13T14:13:50.294723Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-13T14:13:54.998Z"}}], "cna": {"title": "wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass", "credits": [{"lang": "en", "type": "finder", "value": "Scott Moore - VulnCheck"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "gVectors", "product": "wpDiscuz", "versions": [{"status": "affected", "version": "0", "lessThan": "7.6.47", "versionType": "custom"}, {"status": "unaffected", "version": "7.6.47"}], "packageURL": "pkg:wordpress-plugin/wpdiscuz", "defaultStatus": "unaffected"}], "datePublic": "2026-03-11T00:00:00.000Z", "references": [{"url": "https://wordpress.org/plugins/wpdiscuz/#developers", "name": "wpDiscuz Changelog", "tags": ["patch"]}, {"url": "https://wordpress.org/plugins/wpdiscuz/", "name": "wpDiscuz", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/wpdiscuz-before-no-rate-limiting-on-subscription-endpoints-with-like-wildcard-bypass", "name": "VulnCheck Advisory: wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "scooter"}, "descriptions": [{"lang": "en", "value": "wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-799", "description": "Improper Control of Interaction Frequency"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "versionEndExcluding": "7.6.47"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-13T01:18:16.708Z"}}}, "cveMetadata": {"cveId": "CVE-2026-22216", "state": "PUBLISHED", "dateUpdated": "2026-03-13T14:14:03.341Z", "dateReserved": "2026-01-06T16:47:17.187Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-03-13T01:18:16.708Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.6.47)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "7.6.47"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "wpDiscuz", "source": "cna", "vendor": "gVectors"}, "product": "wpdiscuz", "vendor": "gvectors"}, {"configurations": [{"platform": ["wordpress"], "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-03-13T09:49:11.686337+00:00", "updated": "2026-03-13T09:49:11.686440+00:00", "vendors": ["gvectors", "gvectors$PRODUCT$wpdiscuz", "wordpress", "wordpress$PRODUCT$wordpress"]}