CVE-2025-3605 describes a critical privilege escalation vulnerability in the WordPress Frontend Login and Registration Blocks plugin, affecting all versions up to and including 1.0.7. This flaw allows unauthenticated attackers to take over user accounts, including administrators, by changing their email addresses due to improper identity validation in the flr_blocks_user_settings_handle_ajax_callback() function. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a significant risk, enabling full compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While not yet listed on CISA's KEV catalog, public exploit code is available via ExploitDB and Nuclei templates, indicating a high potential for exploitation. Community discussion and media coverage are currently minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Arkenon | Login, Registration And Lost Password Blocks | >= 0, <= 1.1.1CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.