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3 vulnerabilities by Blesta
GCVE-1988-2026-0233
Vulnerability from gna-1988 – Published: 2026-09-08 07:57 – Updated: 2026-09-09 13:33
VLAI
EPSS
VEX
Title
[KIS-2026-03] Blesta <= 5.13.1 (2Checkout) Multiple PHP Object Injection Vulnerabilities
Summary
--------------------------------------------------------------------------
Blesta <= 5.13.1 (2Checkout) Multiple PHP Object Injection Vulnerabilities
--------------------------------------------------------------------------
[-] Software Link:
https://www.blesta.com
[-] Affected Versions:
All versions from 3.0.0 to 5.13.1.
[-] Vulnerabilities Description:
The vulnerabilities exist because user input passed through the
"invoices" POST parameter or the "item-ext-ref" GET parameter when
dispatching the Checkout2::validate() or Checkout2::success() method
is not properly sanitized before being used in a call to the
unserialize() PHP function. This can be exploited by malicious client
users to inject arbitrary PHP objects into the application scope,
allowing them to perform a variety of attacks, such as executing
arbitrary PHP code (RCE).
Successful exploitation of this issue requires the 2Checkout payment
gateway to be installed.
[-] Proof of Concept:
https://karmainsecurity.com/pocs/CVE-2026-25614.php
[-] Solution:
Apply the vendor patch or upgrade to version 5.13.2 or later.
[-] Disclosure Timeline:
[19/01/2026] - Vendor notified
[22/01/2026] - CVE identifier requested
[28/01/2026] - Version 5.13.2 released
[31/01/2026] - Version 5.13.3 released to address regressions
introduced in 5.13.2
[03/02/2026] - CVE identifier assigned
[04/02/2026] - Public disclosure
[-] CVE Reference:
The Common Vulnerabilities and Exposures project (cve.org) has
assigned the name CVE-2026-25614 to these vulnerabilities.
[-] Credits:
Vulnerabilities discovered by Egidio Romano.
[-] Other References:
https://www.blesta.com/2026/01/28/security-advisory/
[-] Original Advisory:
https://karmainsecurity.com/KIS-2026-03
_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
8 references
Relationships
reference
GCVE-1988-2026-0233 (this record)
- related CVE-2026-25614
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GCVE-1988-2026-0232
Vulnerability from gna-1988 – Published: 2026-09-08 07:57 – Updated: 2026-09-09 13:33
VLAI
EPSS
VEX
Title
[KIS-2026-02] Blesta <= 5.13.1 (Admin Interface) Multiple PHP Object Injection Vulnerabilities
Summary
--------------------------------------------------------------------------------
Blesta <= 5.13.1 (Admin Interface) Multiple PHP Object Injection Vulnerabilities
--------------------------------------------------------------------------------
[-] Software Link:
https://www.blesta.com
[-] Affected Versions:
All versions from 3.0.0 to 5.13.1.
[-] Vulnerabilities Description:
The vulnerabilities exist because user input passed through the "vars"
and "order_info" POST parameters when dispatching the
/app/controllers/admin_clients.php script, and through the
"$group_name" POST parameter when dispatching the
/app/controllers/admin_company_groups.php script, is not properly
sanitized before being used in a call to the unserialize() PHP
function. This can be exploited by malicious administrator users to
inject arbitrary PHP objects into the application scope, allowing them
to perform a variety of attacks, such as executing arbitrary PHP code
(RCE).
[-] Proof of Concept:
https://karmainsecurity.com/pocs/CVE-2026-25615.php
[-] Solution:
Apply the vendor patch or upgrade to version 5.13.2 or later.
[-] Disclosure Timeline:
[19/01/2026] - Vendor notified
[20/01/2026] - Vendor response stating: “this issue was previously
identified during an internal security review”
[22/01/2026] - CVE identifier requested
[28/01/2026] - Version 5.13.2 released
[31/01/2026] - Version 5.13.3 released to address regressions
introduced in 5.13.2
[03/02/2026] - CVE identifier assigned
[04/02/2026] - Public disclosure
[-] CVE Reference:
The Common Vulnerabilities and Exposures project (cve.org) has
assigned the name CVE-2026-25615 to these vulnerabilities.
[-] Credits:
Vulnerabilities discovered by Egidio Romano.
[-] Other References:
https://www.blesta.com/2026/01/28/security-advisory/
[-] Original Advisory:
https://karmainsecurity.com/KIS-2026-02
_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
8 references
Relationships
reference
GCVE-1988-2026-0232 (this record)
- related CVE-2026-25615
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GCVE-1988-2026-0231
Vulnerability from gna-1988 – Published: 2026-09-08 07:57 – Updated: 2026-09-09 13:33
VLAI
EPSS
VEX
Title
[KIS-2026-01] Blesta <= 5.13.1 (confirm_url) Reflected Cross-Site Scripting Vulnerability
Summary
---------------------------------------------------------------------------
Blesta <= 5.13.1 (confirm_url) Reflected Cross-Site Scripting Vulnerability
---------------------------------------------------------------------------
[-] Software Link:
https://www.blesta.com
[-] Affected Versions:
All versions from 3.2.0 to 5.13.1.
[-] Vulnerability Description:
User input passed through the "confirm_url" GET parameter to the
/dialog/confirm and /client_dialog/confirm/ endpoints is not properly
sanitized before being used to generate HTML output; specifically,
before being used as action attribute of an HTML form. This can be
exploited by attackers to perform 2-clicks Reflected Cross-Site
Scripting (XSS) attacks.
[-] Proof of Concept:
An attacker may trick a victim Blesta user into clicking on links like these:
http://[blesta]/dialog/confirm/?confirm_url=javascript:alert('XSS')
http://[blesta]/client_dialog/confirm/?confirm_url=javascript:eval(atob('YWxlcnQoJ1hTUyBvbiAnK2RvY3VtZW50LmRvbWFpbik='))
When the victim user clicks on the malicious link and then they also
click on the "Yes" button, the form will be submitted, and the
attacker-controlled JavaScript code will be executed on the victim
user's browser.
[-] Solution:
Apply the vendor patch or upgrade to version 5.13.2 or later.
[-] Disclosure Timeline:
[19/01/2026] - Vendor notified
[22/01/2026] - CVE identifier requested
[28/01/2026] - Version 5.13.2 released
[31/01/2026] - Version 5.13.3 released to address regressions
introduced in 5.13.2
[03/02/2026] - CVE identifier assigned
[04/02/2026] - Public disclosure
[-] CVE Reference:
The Common Vulnerabilities and Exposures project (cve.org) has
assigned the name CVE-2026-25616 to this vulnerability.
[-] Credits:
Vulnerability discovered by Egidio Romano.
[-] Other References:
https://www.blesta.com/2026/01/28/security-advisory/
[-] Original Advisory:
https://karmainsecurity.com/KIS-2026-01
_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
7 references
Relationships
reference
GCVE-1988-2026-0231 (this record)
- related CVE-2026-25616
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