How severe is CVE-2024-56525?

CVE-2024-56525 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-56525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-56525?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-56525 have an EU (EUVD) identifier?

Yes. CVE-2024-56525 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4265.

When was CVE-2024-56525 published?

CVE-2024-56525 was published on 2025-02-24 and last updated on 2026-06-17.

CVE-2024-56525

CVE-2024-56525 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4265
Weakness: CWE-276
Published: 2025-02-24
Last modified: 2026-06-17

Description

In Public Knowledge Project (PKP) OJS, OMP, and OPS before 3.3.0.21 and 3.4.x before 3.4.0.8, an XXE attack by the Journal Editor Role can create a new role as super admin in the journal context, and insert a backdoor plugin, by uploading a crafted XML document as a User XML Plugin.

Frequently asked questions

What is CVE-2024-56525?: In Public Knowledge Project (PKP) OJS, OMP, and OPS before 3.3.0.21 and 3.4.x before 3.4.0.8, an XXE attack by the Journal Editor Role can create a new role as super admin in the journal context, and insert a backdoor plugin, by uploading a crafted XML document as a User XML Plugin.
How severe is CVE-2024-56525?: CVE-2024-56525 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-56525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-56525?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-56525 have an EU (EUVD) identifier?: Yes. CVE-2024-56525 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4265.
When was CVE-2024-56525 published?: CVE-2024-56525 was published on 2025-02-24 and last updated on 2026-06-17.

References

https://openjournaltheme.com/user-xml-fatal-vulnerabilities-for-ojs-omp-ops-3-3-0-21-cve-2024-56525/

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