CVE-2025-31618Network attack vector

Unauthorized cache clearing via missing capability check

Published Mar 31, 2025 · Updated Apr 28, 2026

Missing authorization in Connector to CiviCRM with CiviMcRestFace 1.0.10 and earlier allows remote attackers to clear application caches. The cache-clearing handler performs its action without a WordPress capability check. No authentication or user interaction is required, and the documented consequence is limited to unauthorized cache invalidation.

CVSS severity5.3
Medium
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

Missing authorization in Connector to CiviCRM with CiviMcRestFace 1.0.10 and earlier allows remote attackers to clear application caches. The cache-clearing handler performs its action without a WordPress capability check. No authentication or user interaction is required, and the documented consequence is limited to unauthorized cache invalidation.

The record

CVE
CVE-2025-31618
Published
Mar 31, 2025
Updated
Apr 28, 2026
Vendor
Jaap Jansma
Product
Connector to CiviCRM with CiviMcRestFace
Classifications
CWE-862, CAPEC-180, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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 <=1.0.10 changes=[{"at":"1.0.11","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Jaap Jansma · Connector to CiviCRM with CiviMcRestFaceversion=0 <=1.0.10 changes=[{"at":"1.0.11","status":"unaffected"}]

Published CVSS scores

5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
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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