What is the CVSS score of CVE-2022-3877?

CVE-2022-3877 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2022-3877?

Yes, a public proof-of-concept exploit is available for CVE-2022-3877. Prioritise patching immediately. EPSS: 0.6%.

Passwordstate CVE-2022-3877

MEDIUM

Improper Neutralization (CWE-707)

2022-12-19 cna@vuldb.com

XSS Google Passwordstate Clickstudios

5.4

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-707 ASVS 5.0 V1 - Encoding and Sanitization Improper neutralization
Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

A vulnerability, which was classified as problematic, was found in Click Studios Passwordstate and Passwordstate Browser Extension Chrome. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-707. A vulnerability, which was classified as problematic, was found in Click Studios Passwordstate and Passwordstate Browser Extension Chrome. Affected is an unknown function of the component URL Field Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. VDB-216246 is the identifier assigned to this vulnerability. Affected products include: Clickstudios Passwordstate.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

A vulnerability, which was classified as problematic, was found in Click Studios Passwordstate and Passwordstate Browser Extension Chrome. Affected is an unknown function of the component URL Field Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. VDB-216246 is the identifier assigned to this vulnerability.

Threat Intelligence Overview

EPSS Score

0.6%

Top 54% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +27

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:clickstudios:passwordstate:-:*:*:*:*:-:*:*

cpe:2.3:a:clickstudios:passwordstate:-:*:*:*:*:chrome:*:*

More in Passwordstate

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CVE-2022-3875 HIGH This Week POC

7.5 Dec 19

A vulnerability classified as critical was found in Click Studios Passwordstate and Passwordstate Browser Extension Chro

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In Click Studios (SA) Pty Ltd Passwordstate 9435, users with access to a passwordlist can gain access to additional pass

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5.5 Dec 19

A vulnerability, which was classified as problematic, has been found in Click Studios Passwordstate and Passwordstate Br

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5.3 Dec 19

A vulnerability, which was classified as problematic, was found in Click Studios Passwordstate and Passwordstate Browser

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6.8 Oct 29

An issue was discovered in Click Studios Passwordstate 8.9 (Build 8973).If the user of the system has assigned himself a

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5.4 Aug 01

Click Studios Passwordstate before 8.3 Build 8397 allows XSS by authenticated users via an uploaded HTML document. Rated

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4.7 Nov 13

An issue was discovered in Click Studios Passwordstate before 9811. Rated medium severity (CVSS 4.7), this vulnerability

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3.5 Oct 31

Cross Site Request Forgery vulnerability in Click Studios (SA) Pty Ltd Passwordstate v.Build 9785 and before allows a lo

Same weakness CWE-707 – Improper Neutralization

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CVE-2017-9248 CRITICAL POC

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CVE-2023-40000 HIGH POC

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CVE-2024-52875 HIGH POC

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References

Advisories & patches

ADVISORY https://vuldb.com/vuln/216246 REF https://vuldb.com/?id.216246

Search Externally

GitHub PoC

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