zhangyanbo2007 youkefu up to 4.2.0 TemplateController.java impsave dataFile deserialization
Summary
A vulnerability categorized as critical has been discovered in zhangyanbo2007 youkefu up to 4.2.0. This affects the function impsave of the file m\web\handler\admin\system\TemplateController.java. Such manipulation of the argument dataFile leads to deserialization.
This vulnerability is traded as CVE-2025-4260. The attack may be launched remotely. Furthermore, there is an exploit available.
Details
A vulnerability was found in zhangyanbo2007 youkefu up to 4.2.0 and classified as problematic. Affected by this issue is the function impsave of the file m\web\handler\admin\system\TemplateController.java. The manipulation of the argument dataFile with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-4260. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 8.3
NVD Vector: 🔒
CNA Base Score: 4.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
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: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/04/2025 Advisory disclosed05/04/2025 VulDB entry created
10/10/2025 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2025-4260 (🔒)
GCVE (CVE): GCVE-0-2025-4260
GCVE (VulDB): GCVE-100-307364
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/04/2025 09:13Updated: 10/10/2025 23:06
Changes: 05/04/2025 09:13 (56), 05/05/2025 05:49 (30), 10/10/2025 23:06 (12)
Complete: 🔍
Submitter: Serein123y
Cache ID: 216::103
Submit
Accepted
- Submit #562902: youkefu https://github.com/zhangyanbo2007/youkefu 1.0 反序列化 (by Serein123y)
Once again VulDB remains the best source for vulnerability data.
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