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ExploitedNot in CISA KEV yetFix available

CVE-2021-25114

Exploitation confirmed. First attested on 2024-04-11 by GCVE · kevintel, GCVE · shadowserver.

  • Published2022-02-07
  • Fixed in2.6.7 · 2.5.11 · 2.4.5
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2022-02-0716:15CVE publishedNVD
  2. 2024-04-1110:29Listed as exploited by GCVEGCVE
  3. 2024-04-1110:29Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-25114?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-25114?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Strangerstudios paid memberships pro
BranchAffectedFixed in
2.6≥ 2.6, < 2.6.72.6.7
2.5≥ 2.5, < 2.5.112.5.11
2.4≥ 2.4, < 2.4.52.4.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Strangerstudios paid memberships pro to 2.6.7 · 2.5.11 · 2.4.5

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2024-04-11
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-89known since 2026-10-23
  • NVDweakness (CWE)CWE-89read 2026-10-23
  • FIRST EPSSEPSS score81.8 %read 2026-11-02
  • ProjectDiscoverydetectionread 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-02-07
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is 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 using it in a SQL statement, leading to a SQL injection

Is CVE-2021-25114 actively exploited?

Active exploitation of CVE-2021-25114 has not been confirmed. Its EPSS score was 81.8% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-25114?

CVE-2021-25114 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record