CVE intelligence and bounded remediation
CVE-2022-50949 — WordPress Plugin Videos sync PDF security vulnerability
WordPress Plugin Videos sync PDF 1.7.4 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by exploiting unsanitized mov, pdf, mp4, webm, and ogg parameters. Attackers can inject payloads like autofocus onfocus event handlers through the plugin options panel to execute arbitrary JavaScript when administrators view or edit video settings.
- Severity
- Medium
- CVSS
- 6.4 (3.1)
- Published
- 2026-05-10
- CISA KEV
- Not currently listed
- Ecosystem
- php/wordpress
- Weaknesses
- CWE-79
Affected products
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Matched remediation archetype
Cross-site scripting and unsafe browser output
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Check exposure
- Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
- Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
- Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.
Remediate safely
- Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
- Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
- Update affected rendering components and add tests for every output context using inert sentinel markup.
Authoritative sources
Complete CVE record and remediation plan
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