How severe is CVE-2025-9427?

CVE-2025-9427 has a CVSS 4.0 base score of 8.4, rated high severity.

Is CVE-2025-9427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9427?

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

Does CVE-2025-9427 have an EU (EUVD) identifier?

Yes. CVE-2025-9427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2354.

When was CVE-2025-9427 published?

CVE-2025-9427 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2025-9427

CVE-2025-9427 is a high-severity vulnerability with a CVSS 4.0 base score of 8.4. 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: High (CVSS 4.0 base score 8.4)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2354
Weakness: CWE-79
Published: 2026-01-13
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Lemonsoft WordPress add on allows Cross-Site Scripting (XSS).This issue affects WordPress add on: 2025.7.1.

Frequently asked questions

What is CVE-2025-9427?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Lemonsoft WordPress add on allows Cross-Site Scripting (XSS).This issue affects WordPress add on: 2025.7.1.
How severe is CVE-2025-9427?: CVE-2025-9427 has a CVSS 4.0 base score of 8.4, rated high severity.
Is CVE-2025-9427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-9427 have an EU (EUVD) identifier?: Yes. CVE-2025-9427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2354.
When was CVE-2025-9427 published?: CVE-2025-9427 was published on 2026-01-13 and last updated on 2026-06-17.

References

https://lemondoc.atlassian.net/wiki/spaces/LEMONSHOP/pages/754909038/Versiohistoria+-+Lemonsoft+integration+lis+osa

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