How severe is CVE-2026-25306?

CVE-2026-25306 has a CVSS 3.x base score of 7.1, rated high 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 low.

Is CVE-2026-25306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-25306?

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-2026-25306 have an EU (EUVD) identifier?

Yes. CVE-2026-25306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15637.

When was CVE-2026-25306 published?

CVE-2026-25306 was published on 2026-03-25 and last updated on 2026-06-17.

CVE-2026-25306

CVE-2026-25306 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-15637
Weakness: CWE-79
Published: 2026-03-25
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 8theme XStore Core et-core-plugin allows Reflected XSS.This issue affects XStore Core: from n/a through <= 5.6.4.

Frequently asked questions

What is CVE-2026-25306?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 8theme XStore Core et-core-plugin allows Reflected XSS.This issue affects XStore Core: from n/a through <= 5.6.4.
How severe is CVE-2026-25306?: CVE-2026-25306 has a CVSS 3.x base score of 7.1, rated high 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 low.
Is CVE-2026-25306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-25306?: 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-2026-25306 have an EU (EUVD) identifier?: Yes. CVE-2026-25306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-15637.
When was CVE-2026-25306 published?: CVE-2026-25306 was published on 2026-03-25 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/et-core-plugin/vulnerability/wordpress-xstore-core-plugin-5-6-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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