panicsteve w2wiki Markdown index.php toHTML 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.
3.2$0-$5k0.00

A vulnerability was found in panicsteve w2wiki (Content Management System) (affected version unknown). It has been rated as problematic. Affected by this issue is the function toHTML of the file index.php of the component Markdown 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 12/21/2022 as 8f1d0470b4ddb1c7699e3308e765c11ed29542b6. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-4271. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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

Applying the patch 8f1d0470b4ddb1c7699e3308e765c11ed29542b6 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
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: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8f1d0470b4ddb1c7699e3308e765c11ed29542b6

Timelineinfo

12/21/2022 🔍
12/21/2022 +0 days 🔍
12/21/2022 +0 days 🔍
01/22/2023 +32 days 🔍

Sourcesinfo

Advisory: 8f1d0470b4ddb1c7699e3308e765c11ed29542b6
Status: Not defined

CVE: CVE-2021-4271 (🔍)
GCVE (CVE): GCVE-0-2021-4271
GCVE (VulDB): GCVE-100-216476

Entryinfo

Created: 12/21/2022 07:47 PM
Updated: 01/22/2023 07:46 AM
Changes: 12/21/2022 07:47 PM (43), 01/22/2023 07:46 AM (2)
Complete: 🔍
Cache ID: 18:579:40

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