CVE-2025-8547: pybbs Access Control Flaw

Description

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-266 CWE-266

CWE-285 CWE-285

Affected Products

Vendor	Product	Versions
pybbs_project	pybbs	< 6.0.0

References

Advisories & Patches

https://github.com/atjiu/pybbs/commit/044f22893bee254dc2bb0d30f614913fab3c22c2

Exploits

https://github.com/atjiu/pybbs/issues/200 https://github.com/atjiu/pybbs/issues/200#issue-3256283647

Other References

https://github.com/atjiu/pybbs/issues/200#issuecomment-3134710486 https://vuldb.com/?ctiid.318676 https://vuldb.com/?id.318676 https://vuldb.com/?submit.622180

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-8547? +

CVE-2025-8547 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-8547? +

CVE-2025-8547 affects products from pybbs_project, specifically: pybbs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8547? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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