Is CVE-2021-24649 actively exploited?

No active exploitation of CVE-2021-24649 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-24649 be exploited remotely?

Yes. CVE-2021-24649 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-24649?

CVE-2021-24649 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-24649

CRITICAL

CVE-2021-24649

Published: November 21, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The WP User Frontend WordPress plugin before 3.5.29 uses a user supplied argument called urhidden in its registration form, which contains the role for the account to be created with, encrypted via wpuf_encryption(). This could allow an attacker having access to the AUTH_KEY and AUTH_SALT constant (via an arbitrary file access issue for example, or if the blog is using the default keys) to create an account with any role they want, such as admin

NVD Source

Risk Analysis

The WP User Frontend WordPress plugin allows for unauthorized account creation with elevated privileges, such as admin, by manipulating encrypted user role arguments. This critical flaw relies on access to site constants like AUTH_KEY and AUTH_SALT.

No public exploit is known, and the vulnerability is not in the CISA KEV. It is remotely exploitable.

Recommended Action

Update the WP User Frontend plugin to version 3.5.29 or higher and ensure site security keys are protected.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-24649 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.