How severe is CVE-2025-31090?

CVE-2025-31090 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-31090 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.

How do I fix CVE-2025-31090?

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

Does CVE-2025-31090 have an EU (EUVD) identifier?

Yes. CVE-2025-31090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8570.

When was CVE-2025-31090 published?

CVE-2025-31090 was published on 2025-03-28 and last updated on 2026-06-17.

CVE-2025-31090

CVE-2025-31090 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8570
Weakness: CWE-79
Published: 2025-03-28
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in alordiel Dropdown Multisite selector dropdown-multisite-selector allows Stored XSS.This issue affects Dropdown Multisite selector: from n/a through < 0.9.4.

Frequently asked questions

What is CVE-2025-31090?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in alordiel Dropdown Multisite selector dropdown-multisite-selector allows Stored XSS.This issue affects Dropdown Multisite selector: from n/a through < 0.9.4.
How severe is CVE-2025-31090?: CVE-2025-31090 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-31090 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.
How do I fix CVE-2025-31090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31090 have an EU (EUVD) identifier?: Yes. CVE-2025-31090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8570.
When was CVE-2025-31090 published?: CVE-2025-31090 was published on 2025-03-28 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/dropdown-multisite-selector/vulnerability/wordpress-dropdown-multisite-selector-0-9-4-cross-site-scripting-xss-vulnerability?_s_id=cve

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