WordPress Plugin Vulnerabilities
Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook
Description
The plugin does not properly authorise one of its request handlers and disables HTML sanitisation before storing the submitted content, allowing unauthenticated attackers to publish arbitrary posts containing malicious JavaScript on any site where its API key has never been configured.
Proof of Concept
Affects Plugins
No known fix References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-09 (about 2 days ago)
Added
2026-10-09 (about 1 day ago)
Last Updated
2026-10-09 (about 1 day ago)
