Synology Safe Access up to 1.3.1-0328 cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Synology Safe Access up to 1.3.1-0328. It has been rated as problematic. This affects an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2025-10466. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Synology Safe Access up to 1.3.1-0328. This affects an unknown function. The manipulation 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 summary by CVE is:

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write specific files containing non-sensitive information or conduct limited denial-of-service in SRM.

The weakness was disclosed by Only Hack In Cave as SA_25_11. It is possible to read the advisory at synology.com. This vulnerability is uniquely identified as CVE-2025-10466 since 09/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 1.3.1-0329 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-209953). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Synology

Name

Safe Access

Version

1.3.1-0328

License

commercial

Website

Vendor: https://www.synology.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (synology): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔒
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Safe Access 1.3.1-0329

Timelineinfo

09/15/2025 CVE reserved
05/27/2026 +254 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
05/27/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: synology.com

Advisory: SA_25_11
Researcher: Only Hack In Cave
Status: Confirmed

CVE: CVE-2025-10466 (🔒)
GCVE (CVE): GCVE-0-2025-10466
GCVE (VulDB): GCVE-100-365967
EUVD: 🔒

Entryinfo

Created: 05/27/2026 11:39
Updated: 05/27/2026 17:55
Changes: 05/27/2026 11:39 (65), 05/27/2026 17:55 (1)
Complete: 🔍
Cache ID: 216::103