How severe is CVE-2025-31883?

CVE-2025-31883 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-31883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31883?

CVE-2025-31883 affects Webinarpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31883?

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

Does CVE-2025-31883 have an EU (EUVD) identifier?

Yes. CVE-2025-31883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9152.

When was CVE-2025-31883 published?

CVE-2025-31883 was published on 2025-04-01 and last updated on 2026-06-17.

CVE-2025-31883

CVE-2025-31883 is a medium-severity vulnerability in Webinarpress with a CVSS 3.x base score of 5.9. 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 5.9)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9152
Weakness: CWE-79
Affected product: Webinarpress
Published: 2025-04-01
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress wp-webinarsystem allows Stored XSS.This issue affects WebinarPress: from n/a through <= 1.33.28.

Frequently asked questions

What is CVE-2025-31883?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress wp-webinarsystem allows Stored XSS.This issue affects WebinarPress: from n/a through <= 1.33.28.
How severe is CVE-2025-31883?: CVE-2025-31883 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-31883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31883?: CVE-2025-31883 affects Webinarpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31883 have an EU (EUVD) identifier?: Yes. CVE-2025-31883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9152.
When was CVE-2025-31883 published?: CVE-2025-31883 was published on 2025-04-01 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wp-webinarsystem/vulnerability/wordpress-webinarpress-plugin-1-33-27-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:webinarpress:webinarpress:*:*:*:*:lite:wordpress:*:*

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