CVE-2026-25616
Input Validation Flaw in Blesta 3.x-5.13.3 Risks Data Integrity
Publication date: 2026-02-03
Last updated on: 2026-02-18
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| phillipsdata | blesta | From 3.2.0 (inc) to 5.13.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects Blesta versions 3.x through 5.x before 5.13.3 and is related to improper input validation. It is identified as CORE-5665. Improper input validation means that the software does not correctly check or sanitize user inputs, which can lead to unexpected behavior or security issues.
How can this vulnerability impact me? :
The vulnerability has a CVSS v3.1 base score of 4.7, indicating a medium severity. It can be exploited remotely over the network with high attack complexity and requires no privileges but user interaction. The impact includes a partial loss of confidentiality and integrity, but no impact on availability. This means an attacker could potentially access or alter some data without authorization.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability affects Blesta versions 3.x through 5.x before 5.13.3 and is related to improper input validation. It is identified as CORE-5665. Improper input validation means that the software does not correctly check or sanitize user inputs, which can lead to unexpected behavior or security issues.
How can this vulnerability impact me? :
The vulnerability has a CVSS v3.1 base score of 4.7, indicating a medium severity. It can be exploited remotely over a network with high attack complexity and requires no privileges but does require user interaction. The impact includes a partial loss of confidentiality and integrity, but no impact on availability. This means an attacker could potentially access or modify some data without authorization.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know