PT-2025-42672 · WordPress · Async Javascript

Mikey Veenstra · Published 2025-10-18 · Updated 2025-10-18 · CVE-2020-36854

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Async JavaScript plugin for WordPress versions prior to 2.19.07.14

Description The software is susceptible to Stored Cross-Site Scripting due to missing authorization checks on the aj steps AJAX action and insufficient sanitization of settings saved through a function. This allows authenticated attackers with subscriber-level permissions or higher to inject malicious web scripts into a page. These scripts will execute whenever a user accesses the affected page.

Recommendations Update to a version later than 2.19.07.14.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-36854

Affected Products

Async Javascript

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2020-36854 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/b133888c-7673-4796-917c-486bff1b6b12?source=cve · Note
• https://twitter.com/CVEnew/status/1979395069519237582 · Twitter Post
• https://t.me/CVEtracker/35250 · Telegram Post
• https://t.me/cveNotify/139308 · Telegram Post
• https://wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-zero-day-vulnerabilities · Note