Auth bypass in Atjiu Pybbs
CVE-2025-8547
A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as critical. This vulnerability affects unknown code of the component Email Verification Handler. The manipulation leads to improper authorization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 044f22893bee254dc2bb0d30f614913fab3c22c2. It is recommended to apply a patch to fix this issue.
EPSS: 0.004 (32.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 (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-2025-8547?
- CVE-2025-8547 is a medium-severity vulnerability in Atjiu Pybbs, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2025-08-05.
- How severe is CVE-2025-8547?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-8547 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.