{"id":"CVE-2023-3962","state":"PUBLISHED","title":"Winters <= 1.4.3 - Prototype Pollution to Reflected Cross-Site Scripting","description":"The Winters theme for WordPress is vulnerable to Reflected Cross-Site Scripting via prototype pollution in versions up to, and including, 1.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","publishedAt":"2023-10-20T15:06:22.488Z","updatedAt":"2026-04-08T16:59:57.391Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["myshopkit Winters - WordPress Blog Theme"],"affected":[{"vendor":"myshopkit","product":"Winters - WordPress Blog Theme","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.4.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8b75a1-f0f2-445b-a1c7-1628916470d3?source=cve","https://github.com/BlackFan/client-side-prototype-pollution"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/3xxx/CVE-2023-3962.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-3962","state":"PUBLISHED","datePublished":"2023-10-20T15:06:22.488Z","dateUpdated":"2026-04-08T16:59:57.391Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-07-26T21:37:15.085Z"},"containers":{"cna":{"title":"Winters <= 1.4.3 - Prototype Pollution to Reflected Cross-Site Scripting","descriptions":[{"lang":"en","value":"The Winters theme for WordPress is vulnerable to Reflected Cross-Site Scripting via prototype pollution in versions up to, and including, 1.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}],"affected":[{"vendor":"myshopkit","product":"Winters - WordPress Blog Theme","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.4.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8b75a1-f0f2-445b-a1c7-1628916470d3?source=cve"},{"url":"https://github.com/BlackFan/client-side-prototype-pollution"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T16:59:57.391Z"},"credits":[{"lang":"en","type":"finder","value":"longxi"}],"timeline":[{"time":"2023-07-26T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8b75a1-f0f2-445b-a1c7-1628916470d3?source=cve","tags":["x_transferred"]},{"url":"https://github.com/BlackFan/client-side-prototype-pollution","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:08:50.670Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T18:22:05.018500Z","id":"CVE-2023-3962","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-05T19:00:49.474Z"}}]}}}