VDB-190638 · CVE-2021-33040 · GCVE-0-2021-33040

FuturePress EPub.js prior 0.3.89 managers/views/iframe.js 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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in FuturePress EPub.js. This affects an unknown function of the file managers/views/iframe.js. The manipulation results in cross site scripting. This vulnerability was named CVE-2021-33040. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in FuturePress EPub.js (JavaScript Library). Affected is an unknown function of the file managers/views/iframe.js. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was presented 01/18/2022 as ab4dd46408cce0324e1c67de4a3ba96b59e5012e. The advisory is available at github.com. This vulnerability is traded as CVE-2021-33040 since 05/17/2021. 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.

Upgrading to version 0.3.89 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch ab4dd46408cce0324e1c67de4a3ba96b59e5012e 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

Type

JavaScript Library

Vendor

FuturePress

Name

EPub.js

License

open-source

Website

Product: https://github.com/futurepress/epub.js/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

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: EPub.js 0.3.89
Patch: ab4dd46408cce0324e1c67de4a3ba96b59e5012e

Timelineinfo

05/17/2021 🔍
01/18/2022 +246 days 🔍
01/18/2022 +0 days 🔍
01/20/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: ab4dd46408cce0324e1c67de4a3ba96b59e5012e
Status: Confirmed

CVE: CVE-2021-33040 (🔍)
GCVE (CVE): GCVE-0-2021-33040
GCVE (VulDB): GCVE-100-190638

Entryinfo

Created: 01/18/2022 07:23
Updated: 01/20/2022 09:23
Changes: 01/18/2022 07:23 (43), 01/20/2022 09:23 (1)
Complete: 🔍
Cache ID: 216::103