What happened
The WP YouTube Lyte WordPress plugin before 1.7.31 does not escape some attributes of YouTube embed blocks before outputting them in an HTML attribute when rendering the block, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks.
Affected versions
WP YouTube Lyte: before 1.7.31 (semver) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.