CVE-2024-12139

Content Spoofing via Error Handling in Multiple WSO2 Products Enables Social Engineering Attacks

Published Nov 2, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
The error handling implementation fails to properly sanitize or validate user-supplied input within URL parameters under specific conditions. This allows end-users to manipulate the error messages that are displayed by the application.

By exploiting this vulnerability, malicious actors can inject arbitrary content into error messages. This enables them to perform social engineering attacks, such as phishing or credential theft, by replacing legitimate error messages with malicious content, misleading users into compromising sensitive information or taking harmful actions.

Remediation

Vendor Solution

Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3805/#solution

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-116
Type Values Removed Values Added
First Time appeared Wso2 api Manager
Wso2 identity Server
Vendors & Products Wso2 api Manager
Wso2 identity Server
Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description The error handling implementation fails to properly sanitize or validate user-supplied input within URL parameters under specific conditions. This allows end-users to manipulate the error messages that are displayed by the application. By exploiting this vulnerability, malicious actors can inject arbitrary content into error messages. This enables them to perform social engineering attacks, such as phishing or credential theft, by replacing legitimate error messages with malicious content, misleading users into compromising sensitive information or taking harmful actions.
Title Content Spoofing via Error Handling in Multiple WSO2 Products Enables Social Engineering Attacks
First Time appeared Wso2
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server
Wso2 wso2 Identity Server As Key Manager
CPEs cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:wso2_identity_server_as_key_manager:*:*:*:*:*:*:*:*
Vendors & Products Wso2
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server
Wso2 wso2 Identity Server As Key Manager
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WSO2
Published
Updated
Nov 2, 2026, 7:10 PM
Reserved
Dec 4, 2024, 10:21 AM
Status
Awaiting Analysis
Published
Nov 2, 2026, 6:18 PM
Modified
Nov 9, 2026, 10:10 AM