Open Redirect in Atjiu Pybbs

CVE-2025-8813

A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as problematic. This vulnerability affects the function changeLanguage of the file src/main/java/co/yiiu/pybbs/controller/front/IndexController.java. The manipulation of the argument referer leads to open redirect. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as edb14ff13e9e05394960ba46c3d31d844ff2deac. It is recommended to apply a patch to fix this issue.

Vulnerability class: Open Redirect

EPSS: 0.003 (22.8th 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-2025-8813?
CVE-2025-8813 is a low-severity vulnerability in Atjiu Pybbs, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 3.5/10. Published 2025-08-10.
How severe is CVE-2025-8813?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2025-8813 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.