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CVE-2026-5371: Unauthorized Access in MonsterInsights WordPress Plugin
Platform
wordpress
Component
google-analytics-for-wordpress
Opgelost in
10.1.3
CVE-2026-5371 is a vulnerability affecting the MonsterInsights WordPress plugin, a popular tool for Google Analytics integration. This flaw allows authenticated attackers, even those with Subscriber-level access, to retrieve live Google OAuth access tokens and manipulate the plugin's Google Ads integration. The vulnerability exists in versions up to 10.1.2 and has been resolved in version 10.1.3, released on May 12, 2026.
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Impact en Aanvalsscenarioswordt vertaald…
The primary impact of CVE-2026-5371 is the unauthorized access and potential misuse of Google OAuth access tokens. An attacker who exploits this vulnerability could gain access to sensitive data associated with the website's Google Analytics and Google Ads accounts. This could include user data, campaign performance metrics, and potentially even billing information. The ability to reset the Google Ads integration further amplifies the impact, allowing an attacker to disrupt advertising campaigns and potentially redirect funds. While the vulnerability requires authentication, the low access level needed (Subscriber) significantly broadens the attack surface.
Uitbuitingscontextwordt vertaald…
The vulnerability was published on May 12, 2026. No public exploits or proof-of-concept code have been observed at the time of writing. The CVSS score of 7.1 (HIGH) indicates a significant risk, and the ease of exploitation (requiring only Subscriber-level access) suggests that it could become a target for opportunistic attackers. The vulnerability is not currently listed on KEV or EPSS, but its potential impact warrants close monitoring.
Dreigingsinformatie
Exploit Status
EPSS
0.03% (8% percentiel)
CISA SSVC
CVSS-vector
Wat betekenen deze metrics?
- Attack Vector
- Netwerk — op afstand uitbuitbaar via internet. Geen fysieke of lokale toegang vereist.
- Attack Complexity
- Laag — geen speciale voorwaarden vereist. Betrouwbaar uitbuitbaar.
- Privileges Required
- Laag — elk geldig gebruikersaccount is voldoende.
- User Interaction
- Geen — automatische en stille aanval. Slachtoffer doet niets.
- Scope
- Ongewijzigd — impact beperkt tot het kwetsbare component.
- Confidentiality
- Hoog — volledig verlies van vertrouwelijkheid. Aanvaller kan alle gegevens lezen.
- Integrity
- Laag — aanvaller kan enkele gegevens met beperkte omvang aanpassen.
- Availability
- Geen — geen beschikbaarheidsimpact.
Zwakheidsclassificatie (CWE)
Tijdlijn
- Gereserveerd
- Gepubliceerd
- Gewijzigd
- EPSS bijgewerkt
Mitigatie en Workaroundswordt vertaald…
The primary mitigation for CVE-2026-5371 is to immediately upgrade the MonsterInsights plugin to version 10.1.3 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider temporarily restricting access to the getadsaccesstoken() and resetexperience() functions. While not a complete fix, this can limit the attacker's ability to exploit the vulnerability. Review WordPress user roles and permissions to ensure that only necessary users have access. Monitor WordPress logs for suspicious activity related to Google OAuth authentication. After upgrading, confirm the fix by attempting to access the Google Ads integration with a Subscriber-level user account and verifying that access is denied.
Hoe te verhelpen
Update naar versie 10.1.3, of een nieuwere gepatchte versie
Veelgestelde vragenwordt vertaald…
What is CVE-2026-5371 — Unauthorized Access in MonsterInsights WordPress Plugin?
CVE-2026-5371 is a HIGH severity vulnerability in the MonsterInsights WordPress plugin that allows authenticated subscribers to retrieve Google OAuth tokens and reset Google Ads integration, potentially leading to data exposure and campaign disruption.
Am I affected by CVE-2026-5371 in MonsterInsights WordPress Plugin?
You are affected if you are using the MonsterInsights plugin in WordPress versions 10.1.2 or earlier. Check your plugin version and upgrade immediately if necessary.
How do I fix CVE-2026-5371 in MonsterInsights WordPress Plugin?
Upgrade the MonsterInsights plugin to version 10.1.3 or later. If immediate upgrade is not possible, temporarily restrict access to the vulnerable functions and review user permissions.
Is CVE-2026-5371 being actively exploited?
No public exploits have been observed at this time, but the vulnerability's ease of exploitation and potential impact suggest it could become a target. Continuous monitoring is recommended.
Where can I find the official MonsterInsights advisory for CVE-2026-5371?
Refer to the official MonsterInsights website and WordPress plugin repository for the latest security advisories and updates related to CVE-2026-5371.
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