WordPress security changelog
MEDIUM CVE-2021-24853 Modified

QR Redirector: Cross-site request forgery

QR Redirector is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.

CVE / CNA score 4.3 CVSS · contact@wpscan.com
NVD score 4.3 CVSS 3.1 · nvd@nist.gov
Component
QR Redirector
Plugin slug
qr-redirector
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 17, 2021
Weakness
CWE-284 — Improper Access Control
CWE-352 — Cross-Site Request Forgery (CSRF)

This CVE was published Nov 17, 2021 and is one of 3 known issues for this plugin.

Update, patch or deactivate.

Update QR Redirector to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The QR Redirector WordPress plugin before 1.6 does not have capability and CSRF checks when saving bulk QR Redirector settings via the qr_save_bulk AJAX action, which could allow any authenticated user, such as subscriber to change the redirect response status code of arbitrary QR Redirects

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Primary and upstream sources