What is CVE-2021-24342?

CVE-2021-24342 is a medium-severity vulnerability in Jnews, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-07.

How severe is CVE-2021-24342?

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

Is CVE-2021-24342 known to be exploited?

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

XSS in Jnews

CVE-2021-24342

The JNews WordPress theme before 8.0.6 did not sanitise the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*), leading to a Reflected Cross-Site Scripting (XSS) issue.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.020 (78.8th 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

Jnews
Unknown Jnews — versions 8.0.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-24342?: CVE-2021-24342 is a medium-severity vulnerability in Jnews, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-07.
How severe is CVE-2021-24342?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24342 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.