VDB-304569 · Submit #543080 · CVE-2025-3531

YouDianCMS 9.5.21 index.html UserName/LogType cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.84

Summaryinfo

A vulnerability classified as problematic has been found in YouDianCMS 9.5.21. Affected by this issue is some unknown functionality of the file /App/Tpl/Admin/Default/Log/index.html. Performing a manipulation of the argument UserName/LogType results in cross site scripting. This vulnerability is cataloged as CVE-2025-3531. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic has been found in YouDianCMS 9.5.21. This affects some unknown processing of the file /App/Tpl/Admin/Default/Log/index.html. The manipulation of the argument UserName/LogType with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-3531. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:App/Tpl/Admin/Default/Log/index.html it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

YouDianCMS

Version

9.5.21

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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/12/2025 🔍
04/12/2025 +0 days 🔍
06/27/2025 +76 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-3531 (🔍)
GCVE (CVE): GCVE-0-2025-3531
GCVE (VulDB): GCVE-100-304569
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/12/2025 13:53
Updated: 06/27/2025 15:56
Changes: 04/12/2025 13:53 (55), 04/13/2025 09:22 (30), 06/27/2025 15:56 (12)
Complete: 🔍
Submitter: zonesec
Cache ID: 216::103

Submitinfo

Accepted

Submit #543080: 长沙友点软件科技有限公司 YouDianCMS 9.5.21 Cross Site Scripting (by zonesec)

Duplicate

Submit #XXXXXX: 长沙友点软件科技有限公司 Xxxxxxxxxx X.x.xx Xxxxx Xxxx Xxxxxxxxx (by zonesec)