CVE-2025-8813: atjiu pybbs IndexController.java changeLanguage redirect

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-10 · updated 2026-06-17
Weakness: CWE-601

Description

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.

Affected products

atjiu pybbs: through 6.0.0

References

https://github.com/atjiu/pybbs/commit/edb14ff13e9e05394960ba46c3d31d844ff2deac
https://github.com/atjiu/pybbs/issues/210
https://github.com/atjiu/pybbs/issues/210#issue-3256474679
https://github.com/atjiu/pybbs/issues/210#issuecomment-3134906856
https://vuldb.com/?ctiid.319342
https://vuldb.com/?id.319342
https://vuldb.com/?submit.622333
https://github.com/atjiu/pybbs/issues/210
https://github.com/atjiu/pybbs/issues/210#issue-3256474679
https://github.com/atjiu/pybbs/issues/210#issuecomment-3134906856

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