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CVE-2025-8546

atjiu pybbs Verification Code login Captcha

Published: Aug 5, 2025Updated: Sep 3, 2025 Sources: CVE List NVDCWE-287
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.4%
Top 66.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

A vulnerability, which was classified as problematic, was found in atjiu pybbs up to 6.0.0. This affects the function adminlogin/login of the component Verification Code Handler. The manipulation leads to guessable captcha. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The patch is named ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf. It is recommended to apply a patch to fix this issue.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-287CWE-804

Affected Products

pybbspybbs project
On-prem
Web & CMS Plugins / forum-wiki
pybbsatjiu
On-prem
Web & CMS Plugins / forum-wiki
pybbs projectoss-projectWeb & CMS Plugins
atjiucommercialWeb & CMS Pluginsaka pybbs

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf
github.com
https://github.com/atjiu/pybbs/issues/199
github.com
https://github.com/atjiu/pybbs/issues/199#issue-3256276118
github.com
and 4 more references View all →

Timeline

Published
Aug 5, 2025
Last Updated
Sep 3, 2025

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