Cyber Resilience

CVE-2024-3338

Medium

Published: 02 May 2024

Published
02 May 2024
Modified
08 April 2026
KEV Added
Patch
CVSS Score v3.1 4.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0024 47.8th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3338 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Extendthemes Colibri Page Builder. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 47.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alt data parameter in all versions up to, and including, 1.0.262 due to insufficient input sanitization and output escaping. This makes it possible for authenticated…

more

attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

extendthemes
colibri page builder
≤ 1.0.274

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.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References