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TI-2022-04426 Aliases CVE-2022-4830GHSA-wcmj-f23c-wrx2

Paid Memberships Pro < 2.9.9 - Contributor+ Stored XSS via Shortcode

Priority MEDIUM 63CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The Paid Memberships Pro WordPress plugin before 2.9.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.65006 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Paid Memberships Pro (Unknown): 2.9.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownPaid Memberships Probefore 2.9.92.9.9Patch availableCNA
  • Paid Memberships Pro VendorUnknown Affected before 2.9.9 Fixed in 2.9.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:strangerstudios:paid_memberships_pro:*:*:*:*:*:wordpress:*:*before 2.9.9Vulnerablestrangerstudios
  • cpe:2.3:a:strangerstudios:paid_memberships_pro:*:*:*:*:*:wordpress:*:* Versions before 2.9.9 Vulnerable ·strangerstudios

Remediation

  • Fix · CNA Paid Memberships Pro (Unknown) Fixed in 2.9.9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4830
  2. 2026-10-03 Alias added: GHSA-wcmj-f23c-wrx2

References

Exploit 1

  • TI-2023-09323 SQL injection in Paid Memberships Pro WordPress Plugin CVSS 3.1CRITICAL 9.8
  • TI-2021-07392 Paid Memberships Pro < 2.6.7 - Unauthenticated Blind SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2023-00598 Paid Memberships Pro < 2.9.12 - Subscriber+ SQL Injection CVSS 3.1HIGH 8.8
  • TI-2023-05682 Paid Memberships Pro <= 2.12.3 - Authenticated (Subscriber+) Arbitrary File Upload CVSS 3.1HIGH 8.8
  • TI-2024-01197 Paid Memberships Pro - Member Directory Add On < 1.2.6 - Contributor+ Sensitive Information Disclosure via SQLi CVSS 3.1MEDIUM 6.5
  • TI-2024-01196 Paid Memberships Pro - Membership Maps Add On < 0.7 - Contributor+ Sensitive Information Disclosure CVSS 3.1MEDIUM 4.9
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences