CVE-2021-25114: The Paid Memberships Pro WordPress plugin before 2.6.7 does not escape the discount_code in one of its REST route (available to unauthenticated users) before…

PriorityP187critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

ITWEXPLOITVulnCheck KEV

Exploited in the wild

EPSS

82.25%

99.6th percentile

The Paid Memberships Pro WordPress plugin before 2.6.7 does not escape the discount_code in one of its REST route (available to unauthenticated users) before using it in a SQL statement, leading to a SQL injection

Affected

3 ranges

Vendor	Product	Version range	Fixed in
strangerstudios	paid_memberships_pro	>= 2.4 < 2.4.5	2.4.5
strangerstudios	paid_memberships_pro	>= 2.5 < 2.5.11	2.5.11
strangerstudios	paid_memberships_pro	>= 2.6 < 2.6.7	2.6.7

Detection & IOCsextracted from sources · hover to see the quote

url/wp-json/pmpro/v1/order?code=

sigma

contains(header_1, 'application/json') AND status_code == 200 AND contains(body_2, 'other_discount_code_')

→The vulnerable REST route is accessible to unauthenticated users; monitor for SQL injection payloads in the 'discount_code' parameter of the Paid Memberships Pro REST endpoint. ↗
→Successful exploitation responses will return HTTP 200 with Content-Type application/json and a body containing the string 'other_discount_code_'; use this as a detection fingerprint.

·The vulnerability affects Paid Memberships Pro WordPress plugin versions before 2.6.7; ensure patched version is deployed. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

vulncheck9.8CRITICAL

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