CVE-2026-4494
Cross-Site Scripting in atjiu pybbs TopicApiController#create
Publication date: 2026-03-20
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| atjiu | pybbs | 6.0.0 |
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. |
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in atjiu pybbs version 6.0.0, specifically in the create function of the file src/main/java/co/yiiu/pybbs/controller/api/TopicApiController.java.
The issue allows an attacker to perform cross-site scripting (XSS) attacks by manipulating input in this function.
The attack can be initiated remotely, and an exploit is publicly available.
How can this vulnerability impact me? :
This vulnerability can lead to cross-site scripting attacks, which may allow attackers to execute malicious scripts in the context of a user's browser.
Such attacks can result in unauthorized actions on behalf of the user, theft of session tokens, or other sensitive information.
Since the exploit is publicly available and can be triggered remotely, it increases the risk of exploitation.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know