XSS in Glfusion

CVE-2021-45843

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 echoed unmodified in the application's response.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-45843: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-45843?
CVE-2021-45843 is a medium-severity vulnerability in Glfusion, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-09-29.
How severe is CVE-2021-45843?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-45843 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.