CVE-2020-26956

Published: Dic 09, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2020-19480 Aliases: GSD-2020-26956
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
MEDIUM 4,3
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: none
Integrity: partial
Availability: none

Description

AI Translation Available

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0043
Percentile
0,6th
Updated

EPSS Score Trend (Last 90 Days)

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
Likelihood of Exploit: High
View CWE Details
Application

Firefox Esr by Mozilla

Product Information
Vendor Mozilla
Product Firefox Esr
Version Range Affected
To 78.5 (exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 83.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
To 78.5 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.mozilla.org/show_bug.cgi?id=1666300
Issue Tracking Permissions Required Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1666300
https://www.mozilla.org/security/advisories/mfsa2020-50/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-50/
https://www.mozilla.org/security/advisories/mfsa2020-51/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-51/
https://www.mozilla.org/security/advisories/mfsa2020-52/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-52/
https://bugzilla.mozilla.org/show_bug.cgi?id=1666300
Issue Tracking Permissions Required Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1666300
https://www.mozilla.org/security/advisories/mfsa2020-50/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-50/
https://www.mozilla.org/security/advisories/mfsa2020-51/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-51/
https://www.mozilla.org/security/advisories/mfsa2020-52/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-52/