WordPress security changelog
HIGH CVE-2026-84819 Deferred

WPAdverts permits unauthenticated cross-site scripting

WPAdverts through 2.3.3 has a cross-site scripting flaw reachable without an account. Attacker-controlled script can execute in a victim's browser; the CNA vector requires user interaction and rates confidentiality, integrity, and availability impacts as low.

CVE / CNA score 7.1 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
WPAdverts
Plugin slug
wpadverts
Affected
n/a through 2.3.3
Safe version
2.3.4
Published
Sep 10, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 10, 2026 and is one of 13 known issues for this plugin.

Update, patch or deactivate.

Update WPAdverts to 2.3.4 or later. The authoritative export explicitly marks this release unaffected by this vulnerability.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Unauthenticated Cross Site Scripting (XSS) in WPAdverts <= 2.3.3 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary and upstream sources