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CVE-2025-23888

WordPress Custom Page Extensions Plugin <= 0.6 - Cross Site Scripting (XSS) vulnerability

7.1 High

CVE-2025-23888 is a high vulnerability (CVSS 7.1) in Grandslambert Custom Page Extensions, published January 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.

What does this mean?
Severity
7.1 HighCVSS 3.1, CVE List
Exploit chance
0.26%EPSS, 17th 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 GrandSlambert Custom Page Extensions custom-page-extensions allows Reflected XSS.This issue affects Custom Page Extensions: from n/a through <= 0.6.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.26%Up 0.2 points since Jan 25, 2025
90%50%10%1%

Affected products

What each source reports

CVE List Score used7.1

WordPress Custom Page Extensions Plugin <= 0.6 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GrandSlambert Custom Page Extensions custom-page-extensions allows Reflected XSS.This issue affects Custom Page Extensions: from n/a through <= 0.6.

Record
CVE-2025-23888
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2025-35067.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GrandSlambert Custom Page Extensions custom-page-extensions allows Reflected XSS.This issue affects Custom Page Extensions: from n/a through <= 0.6.

Record
EUVD-2025-3506
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-m5hx-gg5v-rcw77.1

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Custom Page Extensions allows Reflected XSS. This issue affects Custom Page Extensions: from n/a through 0.6.

Record
GHSA-m5hx-gg5v-rcw7
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GrandSlambert Custom Page Extensions custom-page-extensions allows Reflected XSS.This issue affects Custom Page Extensions: from n/a through <= 0.6.

Record
CVE-2025-23888
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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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