PHPOffice PhpSpreadsheet Excel File 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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5.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in PHPOffice PhpSpreadsheet. Impacted is an unknown function of the component Excel File Handler. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2020-7776. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in PHPOffice PhpSpreadsheet (affected version not known). This affects some unknown functionality of the component Excel File Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was released 12/10/2020 as SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856. It is possible to read the advisory at snyk.io. This vulnerability is uniquely identified as CVE-2020-7776. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

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

NVD Base Score: 6.4
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Snyk): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/21/2020 🔍
12/09/2020 +323 days 🔍
12/10/2020 +0 days 🔍
05/04/2025 +1606 days 🔍

Sourcesinfo

Product: github.com

Advisory: SNYK-PHP-PHPOFFICEPHPSPREADSHEET-1048856
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-7776 (🔍)
GCVE (CVE): GCVE-0-2020-7776
GCVE (VulDB): GCVE-100-165951

Entryinfo

Created: 12/10/2020 00:34
Updated: 05/04/2025 15:55
Changes: 12/10/2020 00:34 (39), 12/15/2020 12:14 (2), 12/15/2020 12:18 (1), 09/04/2024 20:25 (43), 05/04/2025 15:55 (7)
Complete: 🔍
Cache ID: 216::103

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