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 site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The patch is named 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22. It is recommended to apply a patch to fix this issue.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (47.8th 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
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, 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.