CVE-2021-24245
Stop Spammers < 2021.9 - Reflected Cross-Site Scripting (XSS)
Record summary
CVE-2021-24245 has a selected CVSS score of 6.1 (medium); EIP currently links 1 catalogued exploit and 1 Nuclei template.
Description
The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.
Exploitation context
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Stop SpammersBrowse Trumani / Stop Spammers | CVE List | 2021.9 to < 2021.9 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBWordPress Plugin Stop Spammers 2021.8 - 'log' Reflected Cross-site Scripting (XSS)ExploitDB exploitby Hosein VitaNot analyzed1 file
Nuclei templates
1ProjectDiscoveryMEDIUMWordPress Stop Spammers <2021.9 - Cross-Site ScriptingCVSS 6.1
WordPress Stop Spammers plugin before 2021.9 contains a reflected cross-site scripting vulnerability. It does not escape user input when blocking requests (such as matching a spam word), thus outputting it in an attribute after sanitizing it to remove HTML tags.
Impact
Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential theft of sensitive information or unauthorized actions.
Remediation
Update to the latest version of the WordPress Stop Spammers plugin (2021.9 or later) to mitigate this vulnerability.
Source: ProjectDiscovery