{"api_version":"1","generated_at":"2026-04-23T06:21:18+00:00","cve":"CVE-2025-8999","urls":{"html":"https://cve.report/CVE-2025-8999","api":"https://cve.report/api/cve/CVE-2025-8999.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-8999","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-8999"},"summary":{"title":"Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update","description":"The Sydney theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'activate_modules' function in all versions up to, and including, 2.56. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate or deactivate various theme modules.","state":"PUBLISHED","assigner":"Wordfence","published_at":"2025-09-17 12:15:38","updated_at":"2026-04-08 18:25:23"},"problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorization"],"metrics":[{"version":"3.1","source":"security@wordfence.com","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","data":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://research.cleantalk.org/cve-2025-8999/","name":"https://research.cleantalk.org/cve-2025-8999/","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/classes/class-sydney-modules.php#L166","name":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/classes/class-sydney-modules.php#L166","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/965582c6-a52e-4f88-81ef-b5dd761a0c23?source=cve","name":"https://www.wordfence.com/threat-intel/vulnerabilities/id/965582c6-a52e-4f88-81ef-b5dd761a0c23?source=cve","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/modules/class-sydney-modules.php#L72","name":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/modules/class-sydney-modules.php#L72","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://themes.trac.wordpress.org/changeset/288374/","name":"https://themes.trac.wordpress.org/changeset/288374/","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-8999","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8999","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"athemes","product":"Sydney","version":"affected 2.56 semver","platforms":[]}],"timeline":[{"source":"CNA","time":"2025-08-15T15:11:05.000Z","lang":"en","value":"Vendor Notified"},{"source":"CNA","time":"2025-09-16T00:00:00.000Z","lang":"en","value":"Disclosed"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Dmitrii Ignatyev","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"8999","cve":"CVE-2025-8999","epss":"0.000420000","percentile":"0.127300000","score_date":"2026-04-08","updated_at":"2026-04-09 00:05:10"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-8999","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-09-17T13:06:54.201065Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2025-09-17T13:07:02.567Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Sydney","vendor":"athemes","versions":[{"lessThanOrEqual":"2.56","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Dmitrii Ignatyev"}],"descriptions":[{"lang":"en","value":"The Sydney theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'activate_modules' function in all versions up to, and including, 2.56. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate or deactivate various theme modules."}],"metrics":[{"cvssV3_1":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-08T17:10:13.080Z","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence"},"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/965582c6-a52e-4f88-81ef-b5dd761a0c23?source=cve"},{"url":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/classes/class-sydney-modules.php#L166"},{"url":"https://themes.trac.wordpress.org/browser/sydney/2.55/inc/modules/class-sydney-modules.php#L72"},{"url":"https://themes.trac.wordpress.org/changeset/288374/"},{"url":"https://research.cleantalk.org/cve-2025-8999/"}],"timeline":[{"lang":"en","time":"2025-08-15T15:11:05.000Z","value":"Vendor Notified"},{"lang":"en","time":"2025-09-16T00:00:00.000Z","value":"Disclosed"}],"title":"Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update"}},"cveMetadata":{"assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","assignerShortName":"Wordfence","cveId":"CVE-2025-8999","datePublished":"2025-09-17T11:25:55.832Z","dateReserved":"2025-08-13T18:26:47.098Z","dateUpdated":"2026-04-08T17:10:13.080Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-09-17 12:15:38","lastModifiedDate":"2026-04-08 18:25:23","problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorization"],"metrics":{"cvssMetricV31":[{"source":"security@wordfence.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"8999","Ordinal":"1","Title":"Sydney <= 2.56 - Missing Authorization to Authenticated (Subscri","CVE":"CVE-2025-8999","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"8999","Ordinal":"1","NoteData":"The Sydney theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'activate_modules' function in all versions up to, and including, 2.56. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate or deactivate various theme modules.","Type":"Description","Title":"Sydney <= 2.56 - Missing Authorization to Authenticated (Subscri"}]}}}