Textpattern up to 4.8.6 File Upload /textpattern/index.php Body cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Textpattern up to 4.8.6. This affects an unknown part of the file /textpattern/index.php of the component File Upload Handler. Such manipulation of the argument Body leads to cross site scripting. This vulnerability is uniquely identified as CVE-2021-44082. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Textpattern up to 4.8.6. Affected by this issue is an unknown functionality of the file /textpattern/index.php of the component File Upload Handler. The manipulation of the argument Body 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 disclosed 03/30/2022. The advisory is available at pentest.co.uk. This vulnerability is handled as CVE-2021-44082 since 11/22/2021. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:textpattern/index.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.8.7 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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
Google Hack: 🔍

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: Textpattern 4.8.7

Timelineinfo

11/22/2021 🔍
03/30/2022 +127 days 🔍
03/30/2022 +0 days 🔍
04/01/2022 +2 days 🔍

Sourcesinfo

Advisory: pentest.co.uk
Status: Confirmed

CVE: CVE-2021-44082 (🔍)
GCVE (CVE): GCVE-0-2021-44082
GCVE (VulDB): GCVE-100-196022

Entryinfo

Created: 03/30/2022 07:14
Updated: 04/01/2022 08:59
Changes: 03/30/2022 07:14 (40), 04/01/2022 08:59 (1)
Complete: 🔍
Cache ID: 216::103

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