CVE-2020-7776
CVSS V2 Low 3.5
CVSS V3 Medium 6.4
Description
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.
Overview
- CVE ID
- CVE-2020-7776
- Assigner
- report@snyk.io
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-09T17:15:31
- Last Modified Date
- 2021-01-19T17:27:22
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:phpspreadsheet_project:phpspreadsheet:*:*:*:*:*:*:*:* | 1 | OR | 1.16.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.4
- Base Severity
- MEDIUM
- Exploitability Score
- 3.1
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://snyk.io/vuln/SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856 | Exploit Third Party Advisory |
| https://github.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59abc957a98845 | Patch Third Party Advisory |
| https://github.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writer/Html.php%23L1792 | Broken Link |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-7776 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7776 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:26:59 | Added to TrackCVE | |||
| 2022-12-05 17:51:30 | 2020-12-09T17:15Z | 2020-12-09T17:15:31 | CVE Published Date | updated |
| 2022-12-05 17:51:30 | 2021-01-19T17:27:22 | CVE Modified Date | updated | |
| 2022-12-05 17:51:30 | Analyzed | Vulnerability Status | updated |