morontt zend-blog-number-2 Comment Comment.php cross-site request forgery
Description
A CSRF vulnerability in morontt zend-blog-number-2's comment handler allows remote attackers to submit comments on behalf of authenticated users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A CSRF vulnerability in morontt zend-blog-number-2's comment handler allows remote attackers to submit comments on behalf of authenticated users.
Vulnerability
The comment handler in morontt zend-blog-number-2, located in application/forms/Comment.php, lacks CSRF protection. The form does not include a CSRF token, allowing an attacker to forge requests. All versions prior to commit 36b2d4a are affected. [1]
Exploitation
An attacker can craft a malicious link or form that, when clicked by an authenticated user, triggers a comment submission without the user's consent. The attack is remote and requires user interaction (e.g., clicking a link). No authentication is needed for the attacker, but the victim must be logged into the application.
Impact
Successful exploitation allows an attacker to create comments on behalf of the victim. This can lead to posting spam, malicious content, or other unauthorized actions within the comment system. The integrity of the application is compromised.
Mitigation
The vulnerability is fixed in commit 36b2d4a which adds CSRF token generation and validation. Users should apply this patch. The repository is archived and read-only, so no further updates are expected. No workarounds are documented. [1]
AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a
Patches
0No patches discovered yet.
Vulnerability mechanics
Root cause
"The application fails to validate a CSRF token before processing a comment submission, allowing an attacker to submit comments on behalf of a user."
Attack vector
An attacker can craft a malicious link or form that, when submitted by a victim, sends a comment request to the application. Since the application does not properly validate the CSRF token, it will process the request as if it originated from the victim. This attack can be launched remotely by tricking a user into clicking a link or submitting a form [ref_id=1].
Affected code
The vulnerability resides in the comment handling functionality, specifically within the `application/forms/Comment.php` file. The patch modifies the `topicAction` and `ajaxaddcommentAction` methods, and introduces new private methods `generateCommentToken` and `validCommentToken` to implement CSRF protection [ref_id=1].
What the fix does
The patch introduces a CSRF token generation and validation mechanism for comment submissions. A hidden form element `csrfToken` is added to the comment form, and its value is set using a new `generateCommentToken` method. The `ajaxaddcommentAction` now calls `validCommentToken` to verify the submitted token before saving the comment. This ensures that only requests with a valid, user-specific token are processed, mitigating CSRF attacks [ref_id=1].
Preconditions
- inputThe victim must interact with a malicious link or form provided by the attacker.
Generated on Jun 10, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
2News mentions
0No linked articles in our index yet.