atjiu pybbs up to 6.0.0 /admin/comment/list Username cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in atjiu pybbs up to 6.0.0. Affected is an unknown function of the file /admin/comment/list. Such manipulation of the argument Username leads to cross site scripting. This vulnerability is referenced as CVE-2025-8551. It is possible to launch the attack remotely. Furthermore, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in atjiu pybbs up to 6.0.0. It has been rated as problematic. Affected by this issue is an unknown code block of the file /admin/comment/list. The manipulation of the argument username with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-8551. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-23616). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 3.5
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22

Timelineinfo

08/04/2025 Advisory disclosed
08/04/2025 +0 days VulDB entry created
09/04/2025 +31 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 204
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-8551 (🔒)
GCVE (CVE): GCVE-0-2025-8551
GCVE (VulDB): GCVE-100-318680
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/04/2025 15:10
Updated: 09/04/2025 20:40
Changes: 08/04/2025 15:10 (60), 08/05/2025 11:11 (1), 08/05/2025 11:55 (30), 08/05/2025 14:57 (1), 09/04/2025 20:40 (11)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #622195: atjiu https://github.com/atjiu/pybbs <=6.0.0 Reflected XSS (by ZAST.AI)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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