PT-2026-20749 · Unknown · Advanced Iframe

Johska · Published 2026-02-19 · Updated 2026-02-19 · CVE-2026-25453

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Advanced iFrame versions through 2025.10

Description The software contains a flaw related to improper input handling during web page generation, leading to a Cross-site Scripting (XSS) condition. Specifically, the issue manifests as DOM-Based XSS. The vulnerability exists in the advanced-iframe component.

Recommendations Update Advanced iFrame to a version later than 2025.10.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25453

Affected Products

Advanced Iframe

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-25453 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/advanced-iframe/vulnerability/wordpress-advanced-iframe-plugin-2025-10-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2024411337716121976 · Twitter Post