Cyber Resilience

CVE-2021-24642

MediumPublic PoC

Published: 18 October 2021

Published
18 October 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS Score 0.0015 35.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24642 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Scroll Banner Project Scroll Banner. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 35.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Scroll Baner WordPress plugin through 1.0 does not have CSRF check in place when saving its settings, nor perform any sanitisation, escaping or validation on them. This could allow attackers to make logged in admin change them and could…

more

lead to RCE (via a file upload) as well as XSS

CWE(s)

Related Threats

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

Affected Assets

scroll banner project
scroll banner
≤ 1.0

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-352

Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.

addresses: CWE-79

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

addresses: CWE-352

Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.

addresses: CWE-352

Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.

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.

addresses: CWE-352

Detects anomalous request patterns consistent with cross-site request forgery.

References