Balbooa Forms Extension up to 2.4.2.1 Form Processing Logic signature code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.60

Summaryinfo

A vulnerability classified as critical has been found in Balbooa Forms Extension up to 2.4.2.1. This vulnerability affects unknown code of the component Form Processing Logic. The manipulation of the argument signature leads to code injection. This vulnerability is uniquely identified as CVE-2026-65880. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Balbooa Forms Extension up to 2.4.2.1 and classified as critical. This issue affects some unknown processing of the component Form Processing Logic. The manipulation of the argument signature with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Joomla Extension - balbooa.com - Unauthenticated remote code execution in Balbooa Forms < 2.4.3 - An insecure form processing logic allowed code execution for forms that include the signature field type.

The advisory is shared at balbooa.com. The identification of this vulnerability is CVE-2026-65880 since 07/23/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 2.4.3 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Forms Extension 2.4.3

Timelineinfo

07/23/2026 CVE reserved
07/28/2026 +5 days Advisory disclosed
07/28/2026 +0 days VulDB entry created
07/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: balbooa.com
Status: Confirmed

CVE: CVE-2026-65880 (🔒)
GCVE (CVE): GCVE-0-2026-65880
GCVE (VulDB): GCVE-100-383837

Entryinfo

Created: 07/28/2026 13:17
Changes: 07/28/2026 13:17 (55)
Complete: 🔍
Cache ID: 216::103

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