CVE-2026-57348Network attack vector

Unauthenticated SSRF via webhook certificate fetch

Published Jul 2, 2026 · Updated Jul 2, 2026

Server-side request forgery in Cozmoslabs Paid Member Subscriptions 3.0.4 and earlier allows remote attackers to make requests to arbitrary hosts. The PayPal Connect webhook handler fetches a certificate from a request-influenced location without adequately restricting the destination. No authentication is required; reachability depends on the PayPal Connect webhook path, and requests can access services otherwise hidden from the attacker.

CVSS severity7.2
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in Cozmoslabs Paid Member Subscriptions 3.0.4 and earlier allows remote attackers to make requests to arbitrary hosts. The PayPal Connect webhook handler fetches a certificate from a request-influenced location without adequately restricting the destination. No authentication is required; reachability depends on the PayPal Connect webhook path, and requests can access services otherwise hidden from the attacker.

The record

CVE
CVE-2026-57348
Published
Jul 2, 2026
Updated
Jul 2, 2026
Vendor
Cozmoslabs
Product
Paid Member Subscriptions
Classifications
CWE-918, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=3.0.4 changes=[{"at":"3.0.5","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Cozmoslabs · Paid Member Subscriptionsversion=n/a <=3.0.4 changes=[{"at":"3.0.5","status":"unaffected"}]

Published CVSS scores

7.2PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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