CVE-2024-3867
Published: 16 April 2024
Summary
CVE-2024-3867 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Wordpress (inferred from references). Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 4.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The archive-tainacan-collection theme for WordPress version 2.7.2 contains a reflected cross-site scripting vulnerability. The flaw stems from improper use of the add_query_arg function without escaping on supplied URLs, which is tracked as CWE-79 and carries a CVSS 3.1 score of 6.1.
Unauthenticated attackers can exploit the issue by crafting malicious links that inject arbitrary scripts; if a victim is tricked into clicking such a link, the scripts execute within the context of the affected site, enabling limited data exposure or interface manipulation.
References from Wordfence and the WordPress themes Trac point to a changeset addressing the archive-tainacan-collection.php file, indicating that theme maintainers have released an update to correct the escaping behavior.
The associated EPSS score has remained flat at 0.2272 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-32435
Vulnerability details
The archive-tainacan-collection theme for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in version 2.7.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages…
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that execute if they can successfully trick a user into performing an action such as clicking on a link.
- 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.