How severe is CVE-2025-23540?

CVE-2025-23540 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-2025-23540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23540?

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-2025-23540 have an EU (EUVD) identifier?

Yes. CVE-2025-23540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3238.

When was CVE-2025-23540 published?

CVE-2025-23540 was published on 2025-01-23 and last updated on 2026-06-17.

CVE-2025-23540

CVE-2025-23540 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% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-3238
Weakness: CWE-79
Published: 2025-01-23
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mohsin Khan WP Front-end login and register wp-front-end-login-and-register allows Reflected XSS.This issue affects WP Front-end login and register: from n/a through <= 2.1.0.

Frequently asked questions

What is CVE-2025-23540?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mohsin Khan WP Front-end login and register wp-front-end-login-and-register allows Reflected XSS.This issue affects WP Front-end login and register: from n/a through <= 2.1.0.
How severe is CVE-2025-23540?: CVE-2025-23540 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-2025-23540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23540?: 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-2025-23540 have an EU (EUVD) identifier?: Yes. CVE-2025-23540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3238.
When was CVE-2025-23540 published?: CVE-2025-23540 was published on 2025-01-23 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wp-front-end-login-and-register/vulnerability/wordpress-wp-front-end-login-and-register-plugin-2-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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