CVE-2020-7776

Published: Dic 09, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-0945 Aliases: GHSA-4mqv-gcr3-pff9
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: low
Availability: none
LOW 3,5
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: single
Confidentiality: none
Integrity: partial
Availability: none

Description

AI Translation Available

This affects the package phpoffice/phpspreadsheet from 0.0.0. The library is vulnerable to XSS when creating an html output from an excel file by adding a comment on any cell. The root cause of this issue is within the HTML writer where user comments are concatenated as part of link and this is returned as HTML. A fix for this issue is available on commit 0ed5b800be2136bcb8fa9c1bdf59abc957a98845/master branch.

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
0,0034
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

Phpspreadsheet by Phpoffice

Product Information
Vendor Phpoffice
Product Phpspreadsheet
Version Range Affected
To 1.16.0 (exclusive)
cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src…
Broken Link
https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writ…
https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800…
Patch Third Party Advisory
https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59…
https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-10488…
Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856
https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src…
Broken Link
https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writ…
https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800…
Patch Third Party Advisory
https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59…
https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-10488…
Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856