How severe is CVE-2025-56451?

CVE-2025-56451 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-56451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56451?

CVE-2025-56451 affects Seeyon A8+ Collaborative Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-56451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-56451 have an EU (EUVD) identifier?

Yes. CVE-2025-56451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206297.

When was CVE-2025-56451 published?

CVE-2025-56451 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2025-56451

CVE-2025-56451 is a medium-severity vulnerability in Seeyon A8+ Collaborative Management with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206297
Weakness: CWE-79
Affected product: Seeyon A8+ Collaborative Management
Published: 2026-01-16
Last modified: 2026-06-17

Description

Cross site scripting vulnerability in seeyon Zhiyuan A8+ Collaborative Management Software 7.0 via the topValue parameter to the seeyon/main.do endpoint.

Frequently asked questions

What is CVE-2025-56451?: Cross site scripting vulnerability in seeyon Zhiyuan A8+ Collaborative Management Software 7.0 via the topValue parameter to the seeyon/main.do endpoint.
How severe is CVE-2025-56451?: CVE-2025-56451 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-56451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56451?: CVE-2025-56451 affects Seeyon A8+ Collaborative Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-56451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-56451 have an EU (EUVD) identifier?: Yes. CVE-2025-56451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206297.
When was CVE-2025-56451 published?: CVE-2025-56451 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:seeyon:a8\+_collaborative_management:7.0:sp3:*:*:*:*:*:*

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