Webrecorder pywb up to 2.5.0 Jinja2 Template 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 was found in Webrecorder pywb up to 2.5.0. It has been declared as problematic. The impacted element is an unknown function of the component Jinja2 Template Handler. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2021-39286. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Webrecorder pywb up to 2.5.0 and classified as problematic. Affected by this issue is some unknown processing of the component Jinja2 Template Handler. The manipulation 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 released 08/19/2021 as f7bd84cdacdd665ff73ae8d09a202f60be2ebae9. The advisory is available at github.com. This vulnerability is handled as CVE-2021-39286. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2.6.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: pywb 2.6.0
Patch: github.com

Timelineinfo

08/18/2021 🔍
08/19/2021 +1 days 🔍
08/19/2021 +0 days 🔍
08/21/2021 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: f7bd84cdacdd665ff73ae8d09a202f60be2ebae9
Status: Confirmed

CVE: CVE-2021-39286 (🔍)
GCVE (CVE): GCVE-0-2021-39286
GCVE (VulDB): GCVE-100-181166

Entryinfo

Created: 08/19/2021 08:15
Updated: 08/21/2021 15:17
Changes: 08/19/2021 08:15 (41), 08/21/2021 15:17 (2)
Complete: 🔍
Cache ID: 216::103

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