CVE-2026-88414
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BaseFortify

Publication date: 2026-09-22

Last updated on: 2026-09-26

Assigner: MITRE

Description
MCMS 6.1.1 through 6.2.1 contains a SQL injection vulnerability in the PageAction.verify endpoint (GET /ms/mdiy/page/verify.do).

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Meta Information

Published
2026-09-22
Last Modified
2026-09-26
Generated
2026-10-13
AI Q&A
2026-09-22
EPSS Evaluated
2026-10-11
NVD
CVE-2026-88414
EUVD
EUVD-2026-84810

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
n/a n/a n/a

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

Attack-Flow Graph

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Executive Summary

CVE-2026-88414 is a critical SQL injection flaw in MCMS versions 6.1.1 to 6.2.1. It affects the PageAction.verify endpoint due to missing authorization, unsafe SQL string concatenation with user input, and a weak blacklist filter. The default setting allows multi-query execution, enabling attackers to chain commands and fully compromise the database.

Detection Guidance

To detect this SQL injection vulnerability in MCMS versions 6.1.1 through 6.2.1, monitor network traffic for requests to the PageAction.verify endpoint (GET /ms/mdiy/page/verify.do). Look for suspicious SQL payloads in parameters, especially those attempting to chain queries or bypass blacklists. Use tools like SQLmap to test for time-based blind SQL injection by sending crafted requests and observing delays in responses.

Impact Analysis

Attackers with low-privilege access can exploit this to extract, modify, or delete sensitive data. They can also execute administrative operations. Proof-of-concept attacks show successful database enumeration and data theft using time-based blind SQL injection techniques.

Compliance Impact

This vulnerability likely violates GDPR and HIPAA due to unauthorized data access, modification, or deletion risks. It compromises data integrity and confidentiality, leading to potential legal penalties, reputational damage, and loss of compliance certifications.

Mitigation Strategies

Immediately restrict access to the PageAction.verify endpoint by implementing strict input validation and removing the allowMultiQueries=true configuration. Apply a web application firewall to block SQL injection attempts. Upgrade to a patched version of MCMS if available, or apply vendor-supplied patches urgently. Temporarily disable the vulnerable endpoint if no patch exists.

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