VDB-217046 · CVE-2022-4839 · GCVE-0-2022-4839

usememos up to 0.9.0 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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in usememos memos up to 0.9.0 and classified as problematic. Impacted is an unknown function. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2022-4839. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in usememos memos up to 0.9.0. Affected by this issue is an unknown code. 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. CVE summarizes:

Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.

The weakness was released 12/30/2022. The advisory is available at huntr.dev. This vulnerability is handled as CVE-2022-4839 since 12/29/2022. 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 0.9.1 eliminates this vulnerability. Applying the patch 64e5c343c5f74b0abdf3ac0d21a6139daea58cf8 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

usememos

Name

memos

Version

License

open-source

Website

Product: https://github.com/usememos/memos/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 8.0
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: memos 0.9.1
Patch: 64e5c343c5f74b0abdf3ac0d21a6139daea58cf8

Timelineinfo

12/29/2022 🔍
12/30/2022 +1 days 🔍
12/30/2022 +0 days 🔍
01/26/2023 +27 days 🔍

Sourcesinfo

Product: github.com

Advisory: 64e5c343c5f74b0abdf3ac0d21a6139daea58cf8
Status: Confirmed

CVE: CVE-2022-4839 (🔍)
GCVE (CVE): GCVE-0-2022-4839
GCVE (VulDB): GCVE-100-217046

Entryinfo

Created: 12/30/2022 12:30
Updated: 01/26/2023 08:28
Changes: 12/30/2022 12:30 (51), 01/26/2023 08:26 (1), 01/26/2023 08:28 (11)
Complete: 🔍
Cache ID: 216::103