CVE-2023-47271: PKP-WAL (aka PKP Web Application Library or pkp-lib) before 3.3.0-16, as used in Open Journal Systems (OJS) an

Q: How do I fix CVE-2023-47271?

pkp web application library: upgrade to 3.3.0-16. Exact commands for each OS are on this page.

Q: Is CVE-2023-47271 being exploited?

CVE-2023-47271 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-47271 affect?

CVE-2023-47271 affects pkp web application library. Severity is medium (CVSS 5.3). 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 fi

Q: How urgent is CVE-2023-47271?

Priority 36/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-47271 is a medium-severity flaw (CVSS 5.3) affecting pkp web application library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Published	2023-11-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sfu

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-11-06 00:15 UTCPublished CVE record published
2026-06-17 06:32 UTCUpdated Record last modified

sfu pkp web application library UPGRADE

Affected: < 3.3.0-16

Fixed in: 3.3.0-16

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pkp-web-application-library || rpm -q pkp-web-application-library || pkp-web-application-library --version

2. UPGRADE to 3.3.0-16 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pkp-web-application-library

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pkp-web-application-library

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-47271?

pkp web application library: upgrade to 3.3.0-16. Exact commands for each OS are on this page.

Is CVE-2023-47271 being exploited?

CVE-2023-47271 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-47271 affect?

CVE-2023-47271 affects pkp web application library. Severity is medium (CVSS 5.3). 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 fi

How urgent is CVE-2023-47271?

Priority 36/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-5904 MEDIUM 5.4 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16.
CVE-2023-5903 MEDIUM 5.4 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16.
CVE-2023-5902 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) in GitHub repository pkp/pkp-lib prior to 3.3.0-16.
CVE-2023-5901 LOW 3.5 UPGRADE Cross-site Scripting in GitHub repository pkp/pkp-lib prior to 3.3.0-16.
CVE-2023-5900 LOW 3.5 UPGRADE Cross-Site Request Forgery in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

References

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