Synology Calendar up to 2.3.0 Event Editor title cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as problematic was found in Synology Calendar up to 2.3.0 (Calendar Software). Affected by this vulnerability is an unknown functionality of the component Event Editor. The manipulation of the argument title as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote attackers to inject arbitrary web script or HTML via the title parameter.

The weakness was shared 06/30/2019 (Website). The advisory is shared at synology.com. This vulnerability is known as CVE-2019-11825 since 05/08/2019. The attack can be launched remotely. The successful exploitation needs a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2.3.0-0615 eliminates this vulnerability.

The entry 137093 is related to this item.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Synology Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Calendar 2.3.0-0615

Timelineinfo

05/08/2019 🔍
06/30/2019 +53 days 🔍
06/30/2019 +0 days 🔍
10/09/2023 +1562 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_19_04
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-11825 (🔍)
See also: 🔍

Entryinfo

Created: 06/30/2019 21:44
Updated: 10/09/2023 14:27
Changes: 06/30/2019 21:44 (60), 06/29/2020 10:00 (1), 10/09/2023 14:24 (4), 10/09/2023 14:27 (12)
Complete: 🔍

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