CVE-2025-46526
Published: 23 May 2025
Summary
CVE-2025-46526 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, ranked in the top 21.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is a reflected cross-site scripting flaw (CWE-79) in the My Custom Widgets WordPress plugin, present in all versions through 2.0.5. It stems from improper neutralization of input during web page generation and carries a CVSS 3.1 score of 7.1.
An unauthenticated remote attacker can supply a crafted request that is reflected back to a victim who follows a malicious link, resulting in script execution in the victim's browser under the affected site's origin. The attack requires user interaction but needs no authentication and produces limited impacts on confidentiality, integrity, and availability while changing scope.
The issue is tracked in the Patchstack vulnerability database, which identifies the affected plugin versions and links to the corresponding advisory for remediation details. The associated EPSS score has remained flat at 0.0110 with no observed rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-28059
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in janekniefeldt My Custom Widgets mycustomwidget allows Reflected XSS.This issue affects My Custom Widgets: from n/a through <= 2.0.5.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.