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CVE-2026-7525: Authorization Bypass in My Calendar Plugin
Platform
wordpress
Component
my-calendar
Opgelost in
3.7.10
CVE-2026-7525 describes an authorization bypass vulnerability affecting the My Calendar – Accessible Event Manager plugin for WordPress. An authenticated attacker with custom-level access or higher can manipulate the POST body to publish events or alter their status (e.g., cancelled, private) without proper authorization checks. This vulnerability impacts versions 0.0.0 through 3.7.9 and has been resolved in version 3.7.10.
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Impact en Aanvalsscenarioswordt vertaald…
This vulnerability allows an attacker to bypass the intended moderation and approval workflow within the My Calendar plugin. An attacker with custom-level access can effectively impersonate a higher-privileged user, publishing events that would normally require administrator approval or changing event statuses to reflect cancellations or private settings. This could lead to unauthorized event postings, data manipulation, and potential disruption of scheduled events. The impact is amplified in environments where event scheduling is critical, such as educational institutions, event management platforms, or internal communication systems. Successful exploitation could also be used to inject malicious content into event descriptions or metadata, potentially leading to further attacks.
Uitbuitingscontextwordt vertaald…
CVE-2026-7525 was published on 2026-05-14. Severity is rated as MEDIUM (CVSS 4.3). No public exploits or active campaigns have been reported at the time of writing. The vulnerability is not currently listed on KEV or EPSS. Monitor security advisories and threat intelligence feeds for any indications of exploitation.
Dreigingsinformatie
Exploit Status
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
- Geen — geen vertrouwelijkheidsimpact.
- Integrity
- Laag — aanvaller kan enkele gegevens met beperkte omvang aanpassen.
- Availability
- Geen — geen beschikbaarheidsimpact.
Getroffen Software
Zwakheidsclassificatie (CWE)
Tijdlijn
- Gereserveerd
- Gepubliceerd
- Gewijzigd
Mitigatie en Workaroundswordt vertaald…
The primary mitigation for CVE-2026-7525 is to immediately upgrade the My Calendar plugin to version 3.7.10 or later. If upgrading is not feasible due to compatibility issues or breaking changes, consider temporarily restricting user roles with custom-level access from modifying event statuses. While not a complete solution, implementing a Web Application Firewall (WAF) with rules to filter suspicious POST requests targeting the plugin's event management endpoints can provide an additional layer of defense. Regularly review user roles and permissions to ensure they align with the principle of least privilege.
Hoe te verhelpen
Update naar versie 3.7.10, of een nieuwere gepatchte versie
Veelgestelde vragenwordt vertaald…
What is CVE-2026-7525 — Authorization Bypass in My Calendar plugin?
CVE-2026-7525 is a medium severity authorization bypass vulnerability in the My Calendar plugin for WordPress, allowing attackers with custom-level access to bypass moderation and publish events without proper authorization.
Am I affected by CVE-2026-7525 in My Calendar plugin?
You are affected if your WordPress site uses the My Calendar plugin in versions 0.0.0 through 3.7.9. Upgrade to 3.7.10 or later to resolve the vulnerability.
How do I fix CVE-2026-7525 in My Calendar plugin?
Upgrade the My Calendar plugin to version 3.7.10 or later. If upgrading is not immediately possible, restrict custom-level users' ability to modify event statuses.
Is CVE-2026-7525 being actively exploited?
As of the current assessment, there are no reports of active exploitation or public exploits for CVE-2026-7525, but continuous monitoring is recommended.
Where can I find the official My Calendar advisory for CVE-2026-7525?
Refer to the official My Calendar plugin website and WordPress.org plugin page for updates and security advisories related to CVE-2026-7525.
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