Cross Site Scripting Vulnerability in Atjiu Pybbs Software
CVE-2025-8553

4.8MEDIUM

Key Information:

Vendor

Atjiu

Status
Pybbs
Vendor
CVE Published:
5 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8553?

A cross site scripting vulnerability exists in Atjiu Pybbs versions up to 6.0.0, specifically affecting the /admin/sensitive_word/list file. This vulnerability allows remote attackers to inject malicious scripts via manipulated 'word' arguments. As the issue has been made public, implementation of the provided patch (commit 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22) is crucial to safeguard against potential exploitation.

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Deploy the Patch

Affected Version(s)

pybbs 6.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8553 - Proof of Concept

References

https://vuldb.com/?id.318682
vdb-entrytechnical-description
https://vuldb.com/?ctiid.318682
signaturepermissions-required
https://vuldb.com/?submit.622197
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZAST.AI (VulDB User)
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