What is the CVSS score of CVE-2023-47271?

CVE-2023-47271 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2023-47271?

Yes, a patch is available for CVE-2023-47271. Update the affected software to the latest version immediately.

Pkp Web Application Library CVE-2023-47271

MEDIUM

2023-11-06 cve@mitre.org

Information Disclosure Pkp Web Application Library Sfu

5.3

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
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).

Patch available 0.6% exploitation probability (EPSS)

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AnalysisAI

PKP-WAL (aka PKP Web Application Library or pkp-lib) before 3.3.0-16, as used in Open Journal Systems (OJS) and other products, does not verify that the file named in an XML document (used for the. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

PKP-WAL (aka PKP Web Application Library or pkp-lib) before 3.3.0-16, as used in Open Journal Systems (OJS) and other products, does not verify that the file named in an XML document (used for the native import/export plugin) is an image file, before trying to use it for an issue cover image. Affected products include: Sfu Pkp Web Application Library. Version information: before 3.3.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

DescriptionNVD

PKP-WAL (aka PKP Web Application Library or pkp-lib) before 3.3.0-16, as used in Open Journal Systems (OJS) and other products, does not verify that the file named in an XML document (used for the native import/export plugin) is an image file, before trying to use it for an issue cover image.

Threat Intelligence Overview

EPSS Score

0.6%

Top 55% exploitable

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 No

EPSS 0.6%

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

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:sfu:pkp_web_application_library:*:*:*:*:*:*:*:*

More in Pkp Web Application Library

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CVE-2023-5899 HIGH This Week POC

8.8 Nov 01

Cross-Site Request Forgery (CSRF) in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated high severity (CVSS 8.8), th

CVE-2023-5898 HIGH This Week POC

8.8 Nov 01

Cross-Site Request Forgery (CSRF) in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated high severity (CVSS 8.8), th

CVE-2023-5893 HIGH This Week POC

8.8 Nov 01

Cross-Site Request Forgery (CSRF) in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated high severity (CVSS 8.8), th

CVE-2023-5889 HIGH This Week POC

8.2 Nov 01

Insufficient Session Expiration in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated high severity (CVSS 8.2), this

CVE-2023-5904 MEDIUM This Month POC

5.4 Nov 07

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5.4)

CVE-2023-5903 MEDIUM This Month POC

5.4 Nov 07

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5.4)

CVE-2023-5896 MEDIUM This Month POC

5.4 Nov 01

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.4.0-4. Rated medium severity (CVSS 5.4),

CVE-2023-5895 MEDIUM This Month POC

5.4 Nov 01

Cross-site Scripting (XSS) - DOM in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5.4), t

CVE-2023-5892 MEDIUM This Month POC

5.4 Nov 01

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5.4)

CVE-2023-5891 MEDIUM This Month POC

5.4 Nov 01

Cross-site Scripting (XSS) - Reflected in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5

CVE-2023-5890 MEDIUM This Month POC

5.4 Nov 01

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 5.4)

CVE-2023-5901 MEDIUM This Month POC

4.8 Nov 07

Cross-site Scripting in GitHub repository pkp/pkp-lib prior to 3.3.0-16. Rated medium severity (CVSS 4.8), this vulnerab

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CVE-2017-5638 CRITICAL POC

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CVE-2025-24813 CRITICAL POC

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CVE-2025-68613 HIGH POC

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CVE-2015-1701 HIGH POC

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CVE-2017-0147 HIGH POC

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References

Advisories & patches

PATCH https://github.com/pkp/pkp-lib/issues/9464 REF http://packetstormsecurity.com/files/176255/PKP-WAL-3.4.0-3-Remote-Code-Execution.html REF http://seclists.org/fulldisclosure/2023/Dec/23

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GitHub PoC

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