What is CVE-2021-24878?

CVE-2021-24878 is a medium-severity vulnerability in Supportcandy, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-07.

How severe is CVE-2021-24878?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-24878 known to be exploited?

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

XSS in Supportcandy

CVE-2021-24878

The SupportCandy WordPress plugin before 2.2.7 does not sanitise and escape the query string before outputting it back in pages with the [wpsc_create_ticket] shortcode embed, leading to a Reflected Cross-Site Scripting issue

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.012 (64.1th percentile) — read the EPSS interpretation.

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.

Affected products

Supportcandy
Unknown Supportcandy – Helpdesk & Support Ticket System — versions 2.2.7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24878?: CVE-2021-24878 is a medium-severity vulnerability in Supportcandy, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-07.
How severe is CVE-2021-24878?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24878 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.