Unrated
Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook
The Topcontent WordPress plugin through 1.2.1 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.
Announced Group revision 1
Original source ↗CVE-2026-88903
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-88903
Topcontent
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Unknown",
"product": "Topcontent",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "1.2.1"
}
],
"defaultStatus": "unknown"
}
]- Related CVEs
- CVE-2026-88903
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #16676 · Revision 1
- Added to Heist Feed
- Publisher date