Store Toolkit for WooCommerce <= 2.3.1 - Reflected Cross-Site Scripting
Strategic Overview
- Status
- Patched in 2.3.2
- Affected Version
< 2.3.2- CVSS
- 6.1Medium
- Weakness type
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CVE
CVE-2021-25077
At a glance
CVE-2021-25077 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Store Toolkit WordPress plugin, affecting versions < 2.3.2. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 2.3.2; sites on affected versions should update now. Disclosed January 2022, reported by Krzysztof Zając.
Vulnerability Overview
The Store Toolkit for WooCommerce WordPress plugin before 2.3.2 does not sanitise and escape the tab parameter before outputting it back in an admin page in an error message, leading to a Reflected Cross-Site Scripting
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Reaching this weakness in Store Toolkit < 2.3.2 takes a caller who can reach the endpoint. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.
Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For Store Toolkit the fix is 2.3.2: builds < 2.3.2 are affected, anything from 2.3.2 onward is not.
Remediation
Update to version 2.3.2, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to Store Toolkit: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Store Toolkit 2.3.2 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in Store Toolkit – WooCommerce Extensions, Quick Enhancements & Handy Tools
- 8.8CVE-2016-10923: Store Toolkit for WooCommerce Privilege Escalation
CVE-2016-10923 - 8.8CVE-2016-10922: Store Toolkit for WooCommerce Missing Authorization
CVE-2016-10922 - 8.1CVE-2025-60204: WooCommerce Store Toolkit <= 2.4.3 LFI
CVE-2025-60204 - 6.3CVE-2022-4974: Freemius SDK <= 2.4.2 Missing Authorization Checks
CVE-2022-4974
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