What is CVE-2025-11745?

CVE-2025-11745 is a medium-severity vulnerability in Spacetime Ad Inserter – Manager & Adsense Ads, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.4/10. Published 2025-11-05.

How severe is CVE-2025-11745?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Spacetime Ad Inserter – Manager & Adsense Ads

CVE-2025-11745

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field through the plugin's 'adinserter' shortcode in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Spacetime Ad Inserter – Manager & Adsense Ads — versions 0

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

Frequently asked questions

What is CVE-2025-11745?: CVE-2025-11745 is a medium-severity vulnerability in Spacetime Ad Inserter – Manager & Adsense Ads, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.4/10. Published 2025-11-05.
How severe is CVE-2025-11745?: Medium severity. CVSS v3 base score is 6.4 out of 10.