What is the CVSS score of CVE-2022-0945?

CVE-2022-0945 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: 0.8%.

Is there a public PoC exploit available for CVE-2022-0945?

Yes, a public proof-of-concept exploit is available for CVE-2022-0945. Prioritise patching immediately. EPSS: 0.8%.

Is there a patch available for CVE-2022-0945?

Yes, a patch is available for CVE-2022-0945. Update the affected software to the latest version immediately.

Showdoc CVE-2022-0945

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2022-03-15 security@huntr.dev

XSS File Upload Showdoc

5.4

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-434 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V5 - File Handling File type validation, storage isolation MITRE ATT&CK 2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
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	A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application.

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

Patch available 0.8% exploitation probability (EPSS)

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AnalysisAI

Stored XSS viva axd and cshtml file upload in star7th/showdoc in GitHub repository star7th/showdoc prior to v2.10.4. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affected Packages

composer showdoc/showdoc fix: 2.10.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Stored XSS viva axd and cshtml file upload in star7th/showdoc in GitHub repository star7th/showdoc prior to v2.10.4. Affected products include: Showdoc.

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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

Stored XSS viva axd and cshtml file upload in star7th/showdoc in GitHub repository star7th/showdoc prior to v2.10.4.

Threat Intelligence Overview

EPSS Score

0.8%

Top 48% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 0.8%

Patch available Yes

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.

Malicious File Upload HIGH

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Affected Products (CPE)NVD

cpe:2.3:a:showdoc:showdoc:*:*:*:*:*:*:*:*

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Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' paramete

CVE-2021-4168 HIGH This Week POC

8.8 Dec 26

showdoc is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is remote

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showdoc is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is remote

CVE-2022-0409 HIGH This Week POC

7.8 Feb 19

Unrestricted Upload of File with Dangerous Type in Packagist showdoc/showdoc prior to 2.10.2. Rated high severity (CVSS

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There is a Unrestricted Upload of File vulnerability in ShowDoc v2.10.3 in GitHub repository star7th/showdoc prior to 2.

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6.5 Dec 01

showdoc is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability is remo

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6.5 Nov 13

showdoc is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability is remo

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ShowDoc 2.4.1 allows remote attackers to obtain sensitive information by navigating with a modified page_id, as demonstr

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Same weakness CWE-434 – Unrestricted Upload of File with Dangerous Type

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CVE-2017-12617 HIGH POC

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CVE-2017-11357 CRITICAL POC

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CVE-2017-12615 HIGH POC

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CVE-2018-9206 CRITICAL POC

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Same technique XSS

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CVE-2017-9248 CRITICAL POC

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CVE-2020-3580 MEDIUM POC

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CVE-2013-1710 CRITICAL POC

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CVE-2013-7389 MEDIUM POC

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CVE-2021-25299 MEDIUM POC

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CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2024-52875 HIGH POC

8.8

References

Advisories & patches

PATCH https://github.com/star7th/showdoc/commit/ba45d19e1d77a7eea866dab30eff5da552694891

Search Externally

GitHub PoC

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