CVE-2024-5031Network attack vector

Authenticated internal-service access via shortcode URL fetch

Published May 22, 2024 · Updated Apr 8, 2026

Blind SSRF in Caseproof MemberPress 1.11.29 and earlier allows remote authenticated users to access internal services via a shortcode. Public records identify the mepr-user-file shortcode as the request path but do not disclose the responsible function or exact validation failure. Contributor-level access is required; successful requests can query or modify internal services reachable from the WordPress host.

CVSS severity8.5
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Blind SSRF in Caseproof MemberPress 1.11.29 and earlier allows remote authenticated users to access internal services via a shortcode. Public records identify the mepr-user-file shortcode as the request path but do not disclose the responsible function or exact validation failure. Contributor-level access is required; successful requests can query or modify internal services reachable from the WordPress host.

The record

CVE
CVE-2024-5031
Published
May 22, 2024
Updated
Apr 8, 2026
Vendor
Caseproof, LLC
Product
MemberPress
Classifications
CWE-918, T1090
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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=0 <=1.11.29

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Caseproof, LLC · MemberPressversion=0 <=1.11.29

Published CVSS scores

8.5WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
6.4NVDCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1090Proxy

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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