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CVE-2025-31883

WordPress WebinarPress plugin <= 1.33.28 - Cross Site Scripting (XSS) vulnerability

5.9 Medium

CVE-2025-31883 is a medium vulnerability (CVSS 5.9) in Webinarpress, published April 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. No source names a fixed version.

What does this mean?
Severity
5.9 MediumCVSS 3.1, CVE List
Exploit chance
0.24%EPSS, 14th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.24%Up 0.2 points since Apr 2, 2025
90%50%10%1%

Affected products

What each source reports

CVE List Score used5.9

WordPress WebinarPress plugin <= 1.33.28 - Cross Site Scripting (XSS) vulnerability

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.

Record
CVE-2025-31883
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2025-91525.9

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.

Record
EUVD-2025-9152
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-jpj3-4vjw-5jmq5.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress allows Stored XSS. This issue affects WebinarPress: from n/a through 1.33.27.

Record
GHSA-jpj3-4vjw-5jmq
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD5.9

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.

Record
CVE-2025-31883
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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