CVE-2024-6529
Published: 01 August 2024
Summary
CVE-2024-6529 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Webcodingplace Ultimate Classified Listings. Its CVSS base score is 7.1 (High).
Operationally, ranked in the top 2.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The vulnerability is a reflected cross-site scripting flaw, tracked as CVE-2024-6529, that affects the Ultimate Classified Listings WordPress plugin prior to version 1.4. The root cause is missing sanitization and escaping of an unspecified parameter that is later reflected in page output, corresponding to CWE-79 and carrying a CVSS 3.1 score of 7.1.
An unauthenticated remote attacker can supply a crafted URL that triggers the flaw when a high-privilege user such as an administrator visits the link. Successful exploitation allows the attacker to execute arbitrary script in the victim's browser context, with the potential for limited impacts on confidentiality, integrity, and availability together with a scope change.
The WPScan advisory at the referenced URL confirms the reflected XSS behavior and identifies the affected plugin versions. The current EPSS score of 0.5237 matches its recorded peak, indicating sustained exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-47609
Vulnerability details
The Ultimate Classified Listings WordPress plugin before 1.4 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.