atjiu pybbs up to 6.0.0 /admin/user/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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3.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in atjiu pybbs up to 6.0.0. This affects an unknown part of the file /admin/user/list. The manipulation of the argument Username leads to cross site scripting. This vulnerability is listed as CVE-2025-8554. The attack may be initiated remotely. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in atjiu pybbs up to 6.0.0. This issue affects an unknown functionality of the file /admin/user/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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-8554. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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-2025-23617). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

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: 3.4
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 2.4
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
09/03/2025 +29 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 207
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-8554 (🔒)
GCVE (CVE): GCVE-0-2025-8554
GCVE (VulDB): GCVE-100-318683
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/04/2025 15:10
Updated: 09/03/2025 01:45
Changes: 08/04/2025 15:10 (60), 08/05/2025 11:55 (30), 08/05/2025 15:04 (1), 08/05/2025 15:11 (1), 09/03/2025 01:45 (11)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #622198: atjiu https://github.com/atjiu/pybbs <=6.0.0 Reflected XSS (by ZAST.AI)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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