CVE-2023-6671: A vulnerability has been discovered on OJS, that consists in a CSRF (Cross-Site Request Forgery) attack that f

Routine

MEDIUM 6.3DOWNGRADE

CVE-2023-6671 is a medium-severity flaw (CVSS 6.3) affecting open journal systems. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been discovered on OJS, that consists in a CSRF (Cross-Site Request Forgery) attack that forces an end user to execute unwanted actions on a web application in which they're currently authenticated.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-12-11
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: openjournalsystems

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

Am I affected?

Timeline

2023-12-11 14:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

openjournalsystems open journal systems DOWNGRADE

Affected: 3.3.0.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.0.13

1. Check installed version

apt-cache policy open-journal-systems || rpm -q open-journal-systems || open-journal-systems --version

2. No fixed release: DOWNGRADE to a release before 3.3.0.13 (Debian / Ubuntu)

apt-cache madison open-journal-systems sudo apt install open-journal-systems=<VERSION_BEFORE_3.3.0.13> sudo apt-mark hold open-journal-systems

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list open-journal-systems sudo dnf downgrade open-journal-systems-<VERSION_BEFORE_3.3.0.13> sudo dnf versionlock add open-journal-systems

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-6671?

open journal systems: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-6671 being exploited?

CVE-2023-6671 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-2023-6671 affect?

CVE-2023-6671 affects open journal systems. Severity is medium (CVSS 6.3). A vulnerability has been discovered on OJS, that consists in a CSRF (Cross-Site Request Forgery) attack that forces an end user to execute unwanted actions on a web application in which they're currently authenticated.

How urgent is CVE-2023-6671?

Priority 26/100. No elevated risk signals yet.

Related CVEs

CVE-2024-7902 MEDIUM 4.3 UPGRADE A vulnerability was found in pkp ojs up to 3.4.0-6 and classified as problematic
CVE-2024-25438 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Submission module of Pkp Ojs v3.3 allows attackers to execut
CVE-2024-25436 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Production module of Pkp Ojs v3.3 allows attackers to execut
CVE-2024-25434 MEDIUM 5.4 DOWNGRADE A cross-site scripting (XSS) vulnerability in Pkp Ojs v3.3 allows attackers to execute arbitrary web scripts o
CVE-2024-24512 MEDIUM 6.1 DOWNGRADE Cross Site Scripting vulnerability in Pkp OJS v.3.4 allows an attacker to execute arbitrary code via the input

References

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