{"id":"CVE-2023-5357","state":"PUBLISHED","title":"Instagram for WordPress <= 2.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Instagram for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2023-10-04T01:52:38.787Z","updatedAt":"2026-04-08T16:46:46.158Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["esemono Instagram for WordPress"],"affected":[{"vendor":"esemono","product":"Instagram for WordPress","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.6","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/3991d8d0-57a8-42e7-a53c-97508f7e137f?source=cve","https://plugins.trac.wordpress.org/browser/instagram-for-wordpress/tags/2.1.6/templates/instagramPost.php#L12"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/5xxx/CVE-2023-5357.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-5357","state":"PUBLISHED","datePublished":"2023-10-04T01:52:38.787Z","dateUpdated":"2026-04-08T16:46:46.158Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-10-03T12:59:14.051Z"},"containers":{"cna":{"title":"Instagram for WordPress <= 2.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","descriptions":[{"lang":"en","value":"The Instagram for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"esemono","product":"Instagram for WordPress","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.6","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3991d8d0-57a8-42e7-a53c-97508f7e137f?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/instagram-for-wordpress/tags/2.1.6/templates/instagramPost.php#L12"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"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":"2026-04-08T16:46:46.158Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2023-10-03T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-10-03T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3991d8d0-57a8-42e7-a53c-97508f7e137f?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/instagram-for-wordpress/tags/2.1.6/templates/instagramPost.php#L12","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:59:44.122Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T18:25:03.938918Z","id":"CVE-2023-5357","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":"2025-02-05T19:17:21.937Z"}}]}}}