How severe is CVE-2025-53420?

CVE-2025-53420 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-2025-53420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53420?

CVE-2025-53420 affects Vibethemes Wordpress Learning Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53420?

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-2025-53420 have an EU (EUVD) identifier?

Yes. CVE-2025-53420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35463.

When was CVE-2025-53420 published?

CVE-2025-53420 was published on 2025-10-22 and last updated on 2026-06-17.

CVE-2025-53420

CVE-2025-53420 is a high-severity vulnerability in Vibethemes Wordpress Learning Management System 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% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35463
Weakness: CWE-79
Affected product: Vibethemes Wordpress Learning Management System
Published: 2025-10-22
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in VibeThemes WPLMS wplms_plugin allows Reflected XSS.This issue affects WPLMS: from n/a through <= 1.9.9.8.

Frequently asked questions

What is CVE-2025-53420?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in VibeThemes WPLMS wplms_plugin allows Reflected XSS.This issue affects WPLMS: from n/a through <= 1.9.9.8.
How severe is CVE-2025-53420?: CVE-2025-53420 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-2025-53420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53420?: CVE-2025-53420 affects Vibethemes Wordpress Learning Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53420?: 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-2025-53420 have an EU (EUVD) identifier?: Yes. CVE-2025-53420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35463.
When was CVE-2025-53420 published?: CVE-2025-53420 was published on 2025-10-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wplms_plugin/vulnerability/wordpress-wplms-plugin-1-9-9-7-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:vibethemes:wordpress_learning_management_system:*:*:*:*:*:wordpress:*:*

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