CVE-2026-4494
Received Received - Intake

Cross-Site Scripting in atjiu pybbs TopicApiController#create

Publication date: 2026-03-20

Last updated on: 2026-04-29

Assigner: VulDB

Description
A vulnerability was identified in atjiu pybbs 6.0.0. This affects the function create of the file src/main/java/co/yiiu/pybbs/controller/api/TopicApiController.java. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

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Meta Information

Published
2026-03-20
Last Modified
2026-04-29
Generated
2026-07-06
AI Q&A
2026-03-20
EPSS Evaluated
2026-07-05
NVD
CVE-2026-4494
EUVD
EUVD-2026-13756

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
atjiu pybbs 6.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.
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.

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Executive Summary

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.

Impact Analysis

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.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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