VDB-230449 · CVE-2023-3021 · EUVD-2023-43713

mkucej i-librarian-free up to 5.10.3 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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in mkucej i-librarian-free up to 5.10.3. Affected is an unknown function. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2023-3021. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in mkucej i-librarian-free up to 5.10.3 and classified as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Cross-site Scripting (XSS) - Stored in GitHub repository mkucej/i-librarian-free prior to 5.10.4.

The weakness was shared 06/01/2023. The advisory is shared at huntr.dev. This vulnerability is known as CVE-2023-3021 since 05/31/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 5.10.4 eliminates this vulnerability. Applying the patch 187e5ff4f413047fb522a9ab24c3c42555d7cfe7 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43713). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

mkucej

Name

i-librarian-free

Version

License

open-source

Website

Product: https://github.com/mkucej/i-librarian-free/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.1
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: i-librarian-free 5.10.4
Patch: 187e5ff4f413047fb522a9ab24c3c42555d7cfe7

Timelineinfo

05/31/2023 🔍
06/01/2023 +1 days 🔍
06/01/2023 +0 days 🔍
01/26/2026 +970 days 🔍

Sourcesinfo

Product: github.com

Advisory: 187e5ff4f413047fb522a9ab24c3c42555d7cfe7
Status: Confirmed

CVE: CVE-2023-3021 (🔍)
GCVE (CVE): GCVE-0-2023-3021
GCVE (VulDB): GCVE-100-230449
EUVD: 🔍

Entryinfo

Created: 06/01/2023 06:54
Updated: 01/26/2026 14:55
Changes: 06/01/2023 06:54 (51), 06/25/2023 15:42 (1), 06/25/2023 15:48 (11), 01/26/2026 14:55 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.