Cyber Resilience

CVE-2020-27851

Medium

Published: 20 January 2021

Published
20 January 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0022 44.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-27851 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Rocketgenius Gravityforms. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 44.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple stored HTML injection vulnerabilities in the "poll" and "quiz" features in an additional paid add-on of Rocketgenius Gravity Forms before 2.4.21 allows remote attackers to inject arbitrary HTML code via poll or quiz answers. This code is interpreted by…

more

users in a privileged role (Administrator, Editor, etc.).

CWE(s)

Related Threats

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

Affected Assets

rocketgenius
gravityforms
≤ 2.4.21

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