VDB-195116 · CVE-2022-0956 · GCVE-0-2022-0956

star7th showdoc up to 2.10.3 File Upload 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.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in star7th showdoc up to 2.10.3. This impacts an unknown function of the component File Upload Handler. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2022-0956. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in star7th showdoc up to 2.10.3 and classified as problematic. Affected by this issue is an unknown code block of the component File Upload 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 03/15/2022. The advisory is shared for download at huntr.dev. This vulnerability is handled as CVE-2022-0956 since 03/14/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.10.4 eliminates this vulnerability. Applying the patch 56e450c3adf75c707500d7231a78c9fc894c7f13 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

star7th

Name

showdoc

Version

License

open-source

Website

Product: https://github.com/star7th/showdoc/

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: showdoc 2.10.4
Patch: 56e450c3adf75c707500d7231a78c9fc894c7f13

Timelineinfo

03/14/2022 🔍
03/15/2022 +1 days 🔍
03/15/2022 +0 days 🔍
03/18/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 56e450c3adf75c707500d7231a78c9fc894c7f13
Status: Confirmed

CVE: CVE-2022-0956 (🔍)
GCVE (CVE): GCVE-0-2022-0956
GCVE (VulDB): GCVE-100-195116

Entryinfo

Created: 03/15/2022 16:25
Updated: 03/18/2022 10:24
Changes: 03/15/2022 16:25 (51), 03/18/2022 10:24 (2)
Complete: 🔍
Cache ID: 216::103