CVE-2025-12460
BaseFortify
Publication date: 2025-10-31
Last updated on: 2025-11-04
Assigner: ESET
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| afterlogic | aurora_corporate | * |
| afterlogic | aurora_webmail | 9.8.3 |
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?
CVE-2025-12460 is a Cross-Site Scripting (XSS) vulnerability in Afterlogic Aurora webmail version 9.8.3 and below. An attacker can send a specially crafted HTML email containing JavaScript code embedded in an img HTML tag. When a user views this email, the malicious JavaScript executes in the context of the user's webmail browser session, potentially allowing the attacker to access user data or perform actions on behalf of the user. [1]
How can this vulnerability impact me? :
This vulnerability can allow a remote attacker to execute arbitrary JavaScript code in your webmail browser session. This could lead to unauthorized access to your personal data, session hijacking, or other malicious actions performed within your webmail interface without your consent. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by identifying if your system is running Afterlogic Aurora webmail version 9.8.3 or below, which is vulnerable to this XSS issue. Additionally, inspecting incoming email messages for specially crafted HTML content, particularly img tags containing JavaScript, may help detect exploitation attempts. However, no specific detection commands are provided in the available resources. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability immediately, users running version 9.8.3 should apply the provided fix by replacing the file `vendor/afterlogic/mailso/lib/MailSo/Base/HtmlUtils.php` with the patched version or manually patching the file. The manual patch involves adding a new static method `SanitizeComments` to sanitize HTML comments and inserting a call to this method during HTML processing to remove malicious scripts embedded in comments. This prevents execution of arbitrary JavaScript when rendering email content. Alternatively, updating to the next product release that includes the fix, scheduled for later in 2025, is recommended. [1]