CVE-2021-24332

Autoptimize < 2.8.4 - Authenticated Stored Cross-Site Scripting (XSS)

4.8 Medium

The Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in some of its settings, allowing high privilege users to set XSS payloads in them, leading to stored Cross-Site Scripting issues

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.63%Unchanged since May 25, 2021

What each source reports

NVD Score used 4.8

Record: CVE-2021-24332
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Autoptimize < 2.8.4 - Authenticated Stored Cross-Site Scripting (XSS)

Record: CVE-2021-24332
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-11245 No score

Record: EUVD-2021-11245
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5fgw-wpxm-vqq2 No score

The Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in...

Record: GHSA-5fgw-wpxm-vqq2
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

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

In short

CVE-2021-24332 is a medium vulnerability (CVSS 4.8) in Autoptimize, published May 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.