How severe is CVE-2025-24559?

CVE-2025-24559 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-2025-24559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-24559?

CVE-2025-24559 affects Wpmailster Wp Mailster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-24559?

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-2025-24559 have an EU (EUVD) identifier?

Yes. CVE-2025-24559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3767.

When was CVE-2025-24559 published?

CVE-2025-24559 was published on 2025-02-03 and last updated on 2026-06-17.

CVE-2025-24559

CVE-2025-24559 is a high-severity vulnerability in Wpmailster Wp Mailster 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% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-3767
Weakness: CWE-79
Affected product: Wpmailster Wp Mailster
Published: 2025-02-03
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.15.0.

Frequently asked questions

What is CVE-2025-24559?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.15.0.
How severe is CVE-2025-24559?: CVE-2025-24559 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-2025-24559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-24559?: CVE-2025-24559 affects Wpmailster Wp Mailster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-24559?: 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-2025-24559 have an EU (EUVD) identifier?: Yes. CVE-2025-24559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3767.
When was CVE-2025-24559 published?: CVE-2025-24559 was published on 2025-02-03 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:wpmailster:wp_mailster:*:*:*:*:*:wordpress:*:*

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