{"id":"CVE-2025-13898","state":"PUBLISHED","title":"Ultra Skype Button <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'btn_id' Shortcode Attribute","description":"The Ultra Skype Button plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'btn_id' parameter of the [ultra_skype] shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2025-12-06T05:49:22.263Z","updatedAt":"2026-04-08T16:41:17.674Z","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":["sozan45 Ultra Skype Button"],"affected":[{"vendor":"sozan45","product":"Ultra Skype Button","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/20b3c88f-a0df-4814-83b6-27440c5ad38e?source=cve","https://plugins.trac.wordpress.org/browser/ultra-skype-button/trunk/index.php#L39","https://plugins.trac.wordpress.org/browser/ultra-skype-button/tags/1.0/index.php#L39","https://plugins.trac.wordpress.org/browser/ultra-skype-button/trunk/index.php#L44","https://plugins.trac.wordpress.org/browser/ultra-skype-button/tags/1.0/index.php#L44"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/13xxx/CVE-2025-13898.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-13898","state":"PUBLISHED","datePublished":"2025-12-06T05:49:22.263Z","dateUpdated":"2026-04-08T16:41:17.674Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2025-12-02T16:12:54.072Z"},"containers":{"cna":{"title":"Ultra Skype Button <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'btn_id' Shortcode Attribute","descriptions":[{"lang":"en","value":"The Ultra Skype Button plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'btn_id' parameter of the [ultra_skype] shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"sozan45","product":"Ultra Skype Button","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/20b3c88f-a0df-4814-83b6-27440c5ad38e?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/ultra-skype-button/trunk/index.php#L39"},{"url":"https://plugins.trac.wordpress.org/browser/ultra-skype-button/tags/1.0/index.php#L39"},{"url":"https://plugins.trac.wordpress.org/browser/ultra-skype-button/trunk/index.php#L44"},{"url":"https://plugins.trac.wordpress.org/browser/ultra-skype-button/tags/1.0/index.php#L44"}],"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":"2026-04-08T16:41:17.674Z"},"credits":[{"lang":"en","type":"finder","value":"Muhammad Yudha - DJ"}],"timeline":[{"time":"2025-12-05T16:46:09.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-08T20:55:54.877587Z","id":"CVE-2025-13898","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":"2025-12-08T20:56:08.509Z"}}]}}}