RCE in Atjiu Pybbs
CVE-2025-8550
A vulnerability was found in atjiu pybbs up to 6.0.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /admin/topic/list. The manipulation of the argument Username leads to cross s…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (71.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Atjiu Pybbs — versions 6.0
- Pybbs_project Pybbs
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-318679 | atjiu pybbs list cross site scripting (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-318679 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #622194 | atjiu https://github.com/atjiu/pybbs <=6.0.0 Reflected XSS (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
- cna@vuldb.com (issue-tracking, Issue Tracking)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
- cna@vuldb.com (Patch, patch)
Frequently asked questions
- What is CVE-2025-8550?
- CVE-2025-8550 is a low-severity vulnerability in Atjiu Pybbs, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2025-08-05.
- How severe is CVE-2025-8550?
- Low severity. CVSS v3 base score is 2.4 out of 10.
- Is CVE-2025-8550 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.