What is CVE-2021-24837?

CVE-2021-24837 is a medium-severity vulnerability in Passster Project Passter, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-01-23.

How severe is CVE-2021-24837?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-24837 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Passster Project Passter

CVE-2021-24837

The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.

EPSS: 0.004 (32.0th 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

Passster_project Passter
Unknown Passster — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2021-24837?: CVE-2021-24837 is a medium-severity vulnerability in Passster Project Passter, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-01-23.
How severe is CVE-2021-24837?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24837 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.