RCE in Atjiu Pybbs

CVE-2025-8551

A vulnerability was found in atjiu pybbs up to 6.0.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /admin/comment/list. The manipulation of the argument Username leads to cross site scr…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-8551?
CVE-2025-8551 is a low-severity vulnerability in Atjiu Pybbs, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-08-05.
How severe is CVE-2025-8551?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2025-8551 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.