CVE-2026-4494
atjiu pybbs TopicApiController.java create cross site scripting
- State
- Published
- Severity
- 5.1 Medium
- Published
- Mar 20, 2026
- Updated
- Mar 24, 2026
- Reserved
- Mar 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | 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 | VulDB |
| 3.1 | 3.5 Low | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.5 Low | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
pybbsatjiu |
|
References
- VDB-352020 | atjiu pybbs TopicApiController.java create cross site scriptingvdb-entrytechnical-description
- VDB-352020 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #773779 | atjiu pybbs 6.0.0 Improper Neutralization of Alternate XSS Syntaxthird-party-advisory
- https://fx4tqqfvdw4.feishu.cn/docx/EKVgdqWIzo70C0xB5jxcb4IZnre?from=from_copylinkexploit
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