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Vulnerability record · CVE-2022-2635 · published 16 September 2022

CVE-2022-2635: Autoptimize cross-site scripting vulnerability

Autoptimize · Autoptimize

The Autoptimize WordPress plugin before 3.1.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

4.8 CVSS 3.1 Medium EPSS 0.63% · top 52.0% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Autoptimize WordPress plugin before 3.1.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/219767a8-2427-42d5-8734-bd197d9ab46b ExploitThird Party Advisory
https://wpscan.com/vulnerability/219767a8-2427-42d5-8734-bd197d9ab46b ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-24376Autoptimize unrestricted file upload vulnerabilityThe Autoptimize WordPress plugin before 2.7.8 attempts to delete malicious files (such as .php) form the uploaded archive via the "Import Settings" f…EPSS 3.7%8.1CVE-2021-24377Autoptimize race condition vulnerabilityThe Autoptimize WordPress plugin before 2.7.8 attempts to remove potential malicious files from the extracted archive uploaded via the 'Import Settin…EPSS 1.2%7.2CVE-2020-24948Autoptimize unrestricted file upload vulnerabilityThe ao_ccss_import AJAX call in Autoptimize Wordpress Plugin 2.7.6 does not ensure that the file provided is a legitimate Zip file, allowing high pri…EPSS 13%4.8CVE-2023-2113Autoptimize vulnerabilityThe Autoptimize WordPress plugin before 3.1.7 does not sanitise and escape the settings imported from a previous export, allowing high privileged use…EPSS 0.47%4.8CVE-2021-24378Autoptimize cross-site scripting vulnerabilityThe Autoptimize WordPress plugin before 2.7.8 does not check for malicious files such as .html in the archive uploaded via the 'Import Settings' feat…EPSS 0.62%4.8CVE-2021-24332Autoptimize cross-site scripting vulnerabilityThe Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in some of its settings, allowing high privilege users to …EPSS 0.63%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed

Source: NIST National Vulnerability Database (record CVE-2022-2635), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.