CVE-2026-4494CWE-79CWE-94

atjiu pybbs TopicApiController.java create cross site scripting

Medium · published March 20, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
26.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
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
EPSS
0.00344 · 26.6th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-03-20T17:32Z
EPSS history
Timeline
  • 20 MAR 17:32Z
    atjiu pybbs TopicApiController.java create cross site scripting
    cvelistv5