Cyber Resilience

CVE-2021-45843

MediumPublic PoC

Published: 29 September 2022

Published
29 September 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0025 48.3th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45843 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Glfusion Glfusion. Its CVSS base score is 6.1 (Medium).

Operationally, ranked at the 48.3th 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

glFusion CMS v1.7.9 is affected by a reflected Cross Site Scripting (XSS) vulnerability. The value of the title request parameter is copied into the value of an HTML tag attribute which is encapsulated in double quotation marks. This input was…

more

echoed unmodified in the application's response.

CWE(s)

Related Threats

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

Affected Assets

glfusion
glfusion
1.7.9

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