The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the change_plan_sub_id parameter in the process_checkout() function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user's active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the ppress_process_checkout AJAX action.
CVE-2026-3445
Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-04. NVD baseline CVSS 7.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.1
- EG Score
- 7.1(medium)
- EPSS
- 13.7%
- KEV
- Not listed
Published
April 4, 2026
Last Modified
July 21, 2026
References (2)
- security@wordfencehttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3474509%40wp-user-avatar%2Ftrunk&old=3473639%40wp-user-avatar%2Ftrunk&sfp_email=&sfph_mail=#file3
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/ae1e198b-0c0d-47aa-8a56-ec4e790c8022?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 34× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-21 15:24 UTCEPSS rescore
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- 2026-06-11 21:50 UTCGHSA enrichment
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- 2026-06-10 13:26 UTCGHSA enrichment
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- 2026-06-08 14:17 UTCEPSS rescore
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- 2026-06-08 09:24 UTCGHSA enrichment
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- 2026-06-06 13:47 UTCEPSS rescore
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- 2026-05-20 22:38 UTCEPSS rescore
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- 2026-05-20 19:07 UTCEG score recompute
- 2026-05-20 19:07 UTCGHSA enrichment
- 2026-05-20 11:22 UTCEPSS rescore
- 2026-05-20 11:22 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-862
Frequently asked(5)
What is CVE-2026-3445?
When was CVE-2026-3445 disclosed?
Is CVE-2026-3445 actively exploited?
What is the CVSS score of CVE-2026-3445?
How do I remediate CVE-2026-3445?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-3445
Is Your Infrastructure Affected by CVE-2026-3445?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.