XSS in Mlcalc Mortgage Calculator\/loan Calculator

CVE-2021-24828

The Mortgage Calculator / Loan Calculator WordPress plugin before 1.5.17 does not escape the some of the attributes of its mlcalc shortcode before outputting them, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24828?
CVE-2021-24828 is a medium-severity vulnerability in Mlcalc Mortgage Calculator\/loan Calculator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-03.
How severe is CVE-2021-24828?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24828 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.