CVE-2026-124262

WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability

5.3 Medium

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Igor Funa Ad Inserter ad-inserter allows Code Injection.This issue affects Ad Inserter: from n/a through 2.8.19.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.35%Scored on 2026-11-12. The trend appears after a second daily score.

What each source reports

CVE List Score used5.3

WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability

Record: CVE-2026-124262
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-80
Updated: 2026-11-11

EUVDEUVD-2026-1233925.3

Record: EUVD-2026-123392
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-11

GitHub AdvisoriesGHSA-rmc2-xrpm-x4vh5.3

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in...

Record: GHSA-rmc2-xrpm-x4vh
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-80
Updated: 2026-11-11

NVD5.3

Record: CVE-2026-124262
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-80
Updated: 2026-11-11

Affected products

History

History
Recorded	Changed	Sources
Nov 11, 2026	published	EUVD
Nov 11, 2026	published	EUVD
Nov 11, 2026	aliases, references	GitHub Advisories, NVD
Nov 11, 2026	aliases, products, published	EUVD
Nov 11, 2026	first indexed	CVE List

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

In short

CVE-2026-124262 is a medium vulnerability (CVSS 5.3) in Ad Inserter Inserter, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.