CVE-2026-103999: falha de alta gravidade em themefic Ultra Addons for Contact Form 7
Ultra Addons for Contact Form 7 <= 3.5.54 - Unauthenticated Stored Cross-Site Scripting via File Upload
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.2epss 0.3%
The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via File Upload in all versions up to, and including, 3.5.54 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The extension blocklist gatekeeper is bypassed by uploading text-type files (.txt, .csv, .vtt, .srt, .asc) whose contents begin with an HTML payload such as '<BODY onload=…>', as the check classifies these files as text/plain without inspecting their byte content.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Produtos afetados
themefic · Ultra Addons for Contact Form 7CVEs relacionadas — themefic Ultra Addons for Contact Form 7
No mesmo produto, das mais perigosas para as menos.
CVE-2026-82901CRITICALUltra Addons for Contact Form 7 <= 3.5.50 - Unauthenticated Arbitrary File Upload via Signature Form FieldEPSS 4.3%CVE-2025-6220HIGHUltimate Addons for Contact Form 7 <= 3.5.12 - Authenticated (Administrator+) Arbitrary File Upload via 'save_options'EPSS 1.1%CVE-2026-102435CRITICALUltra Addons for Contact Form 7 <= 3.5.54 - Unauthenticated PHP Object Injection to Arbitrary File Deletion via CF7 Form FieldEPSS 0.6%CVE-2025-14356MEDIUMUltra Addons for Contact Form 7 <= 3.5.33 - Missing Authorization to Authenticated (Subscriber+) to Generate Form Submission PDFEPSS 0.4%CVE-2025-6212HIGHUltra Addons for Contact Form 7 3.5.11 - 3.5.19 - Unauthenticated Stored Cross-Site Scripting via Database moduleEPSS 0.3%CVE-2026-12801MEDIUMUltra Addons for Contact Form 7 <= 3.5.43 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider AttributesEPSS 0.3%
Referências
https://downloads.wordpress.org/plugin/ultimate-addons-for-contact-form-7.ziphttps://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/database/database.php#L869https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/database/database.php#L895https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/database/database.php#L901https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/inc/functions.php#L1703https://plugins.trac.wordpress.org/changeset/3738548/ultimate-addons-for-contact-form-7/trunk/addons/database/database.phphttps://www.wordfence.com/threat-intel/vulnerabilities/id/29b9d978-f8b0-48f9-a10e-7e61a4f4a828?source=cve