Emby Server prior 4.6.0.50 GET Request /web 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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4.7$0-$5k0.00

A vulnerability was found in Emby Server. It has been rated as problematic. This issue affects an unknown functionality of the file /web of the component GET Request Handler. The manipulation 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. The summary by CVE is:

Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.

The weakness was disclosed 06/29/2023 as 3785. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-25828 since 01/22/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 4.6.0.50 eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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: Emby Server 4.6.0.50

Timelineinfo

01/22/2021 🔍
06/29/2023 +887 days 🔍
06/29/2023 +0 days 🔍
07/21/2023 +22 days 🔍

Sourcesinfo

Advisory: 3785
Status: Confirmed

CVE: CVE-2021-25828 (🔍)

Entryinfo

Created: 06/29/2023 08:25 AM
Updated: 07/21/2023 10:46 AM
Changes: 06/29/2023 08:25 AM (40), 07/21/2023 10:46 AM (11)
Complete: 🔍
Cache ID: 18:006:40

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