ReviewX <= 1.6.17 - Missing Authorization in rx_coupon_from_submit

Missing Authorization
CVE CVE-2023-40670
CVSS 4.3 (Medium)
Publicly Published August 22, 2023
Last Updated August 26, 2023
Researcher Abdi Pranata


The ReviewX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the rx_coupon_from_submit function in versions up to, and including, 1.6.17. This makes it possible for authenticated attackers, with subscriber-level access and above, to update options.



1 affected software package

Software Type Plugin
Software Slug reviewx (view on
Patched? Yes
Remediation Update to version 1.6.18, or a newer patched version
Affected Version
  • <= 1.6.17
Patched Version
  • 1.6.18

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