SMTP setting changes via missing CSRF nonce
Published Aug 10, 2021 · Updated Aug 3, 2024
Cross-site request forgery in the SMTP Contact 1.1.1 plugin for GetSimple CMS allows remote attackers to alter SMTP settings. The plugin's addsettings POST handler accepts configuration changes without validating the CMS nonce. Exploitation requires an authenticated administrator to visit attacker-controlled content, allowing unauthorized mail-routing changes.
Summary
What happened
Cross-site request forgery in the SMTP Contact 1.1.1 plugin for GetSimple CMS allows remote attackers to alter SMTP settings. The plugin's addsettings POST handler accepts configuration changes without validating the CMS nonce. Exploitation requires an authenticated administrator to visit attacker-controlled content, allowing unauthorized mail-routing changes.
The record
- CVE
- CVE-2021-29400
- Published
- Aug 10, 2021
- Updated
- Aug 3, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-352, CAPEC-62, T1189
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 10, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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.
Weakness, pattern, technique
Public exploit references
- GetSimple CMS My SMTP Contact Plugin 1.1.2 - Persistent Cross-Site Scriptingfunctional · demonstrated
- GetSimple CMS My SMTP Contact Plugin 1.1.1 - Cross-Site Request Forgeryfunctional · demonstrated
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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