GNOME Epiphany up to 40.3/41.0 View Source Mode/Reader Mode page title 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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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GNOME Epiphany up to 40.3/41.0. This affects an unknown part of the component View Source Mode/Reader Mode. The manipulation of the argument page title leads to cross site scripting. This vulnerability is traded as CVE-2021-45087. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNOME Epiphany up to 40.3/41.0. This issue affects an unknown functionality of the component View Source Mode/Reader Mode. The manipulation of the argument page title 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 weakness was shared 12/16/2021 as 1612. It is possible to read the advisory at gitlab.gnome.org. The identification of this vulnerability is CVE-2021-45087 since 12/16/2021. 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 40.4 or 41.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.gnome.org. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

CVSSv2info

AVACAuCIA
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Epiphany 40.4/41.1
Patch: gitlab.gnome.org

Timelineinfo

12/16/2021 🔍
12/16/2021 +0 days 🔍
12/16/2021 +0 days 🔍
12/18/2021 +2 days 🔍

Sourcesinfo

Vendor: gnome.org

Advisory: 1612
Status: Confirmed

CVE: CVE-2021-45087 (🔍)
GCVE (CVE): GCVE-0-2021-45087
GCVE (VulDB): GCVE-100-188399

Entryinfo

Created: 12/16/2021 08:52
Updated: 12/18/2021 17:10
Changes: 12/16/2021 08:52 (42), 12/18/2021 17:10 (1)
Complete: 🔍
Cache ID: 216::103

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