CVE-2023-2546: The WP User Switch plugin for WordPress is vulnerable to authentication bypass in versions up to, and includin

Q: How do I fix CVE-2023-2546?

wp user switch: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-2546 being exploited?

CVE-2023-2546 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-2546 affect?

CVE-2023-2546 affects wp user switch. Severity is high (CVSS 8.8). The WP User Switch plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.0.2. This is due to incorrect authentication checking in the 'wpus_allow_user_to_admin_bar_menu' function with the 'wpus_who_

This month

HIGH 8.8UPGRADE

CVE-2023-2546 is a high-severity flaw (CVSS 8.8) affecting wp user switch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP User Switch plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.0.2. This is due to incorrect authentication checking in the 'wpus_allow_user_to_admin_bar_menu' function with the 'wpus_who_switch' cookie value. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator, if they have access t

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-288
Published	2023-06-06
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: wp user switch project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-06 02:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

wp user switch project wp user switch UPGRADE

Affected: <= 1.0.2

Fixed in: newer than 1.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-user-switch || rpm -q wp-user-switch || wp-user-switch --version

2. UPGRADE to newer than 1.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-user-switch

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-user-switch

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2546?

wp user switch: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Is CVE-2023-2546 being exploited?

CVE-2023-2546 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2546 affect?

CVE-2023-2546 affects wp user switch. Severity is high (CVSS 8.8). The WP User Switch plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.0.2. This is due to incorrect authentication checking in the 'wpus_allow_user_to_admin_bar_menu' function with the 'wpus_who_

How urgent is CVE-2023-2546?

Priority 49/100. High severity

Software pages

WordPress vulnerabilities

References

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