CVE-2026-3645 identifies a Missing Authorization vulnerability in the Punnel – Landing Page Builder WordPress plugin, affecting all versions up to and including 1.3.1. This flaw allows authenticated attackers with Subscriber-level access to overwrite the plugin's entire configuration, including its API key, due to a lack of capability and nonce checks. Once the API key is compromised, attackers can then use the plugin's public API endpoint to create, update, or delete arbitrary posts, pages, and products on the site, posing a significant integrity risk. Rated as Medium severity with a CVSS score of 5.3, there is currently no evidence of active exploitation, public exploit code, or notable community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Punnel | Punnel – Landing Page Builder | >= 0, <= 1.3.1CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.