The Slim Jetpack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'g<PAGE_ID>-website (Website contact-field)' parameter in all versions up to, and including, 2.7.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The nonce and authentication checks on form submission are only enforced for logged-in users, allowing unauthenticated visitors to store payloads via any page containing the [contact-form] shortcode.
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE
CWE-79Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
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Versions
From the CNA's record in the CVE List.
Product
Affected
wingerspeed Slim Jetpack
through 2.7.0.1
Attack patterns (CAPEC)
CAPEC-63 Cross-Site Scripting (XSS) Likelihood: High · Severity: Very High
CAPEC-85 AJAX Footprinting Likelihood: High · Severity: Low
CAPEC-209 XSS Using MIME Type Mismatch Severity: Medium
CAPEC-588 DOM-Based XSS Likelihood: High · Severity: Very High
CAPEC-591 Reflected XSS Likelihood: High · Severity: Very High
CAPEC-592 Stored XSS Likelihood: High · Severity: Very High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.