CVE-2026-4494 MEDIUM

CVE-2026-4494: atjiu pybbs TopicApiController.java create cross site scripting

Vendor Atjiu
Product pybbs
Weakness CWE-79 · XSS
Published March 20, 2026
Last update March 24, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

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.

Key dates

Disclosure timeline

March 20, 2026 CVE published
March 24, 2026 Record updated