CVE-2026-88903
Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook
- State
- Published
- Severity
- 8.8 High
- Published
- Oct 11, 2026
- Updated
- Oct 11, 2026
- Reserved
- Sep 10, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
TopcontentUnknown |
|
References
- https://wpscan.com/vulnerability/173b07dd-6404-49c0-9e01-90b5b68d1dec/exploitvdb-entrytechnical-description
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.