What is CVE-2021-36872?

CVE-2021-36872 is a medium-severity vulnerability in Hector Cabrera Wordpress Popular Posts, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2021-09-23.

How severe is CVE-2021-36872?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-36872 known to be exploited?

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

XSS in Hector Cabrera Wordpress Popular Posts

CVE-2021-36872

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress Popular Posts plugin (versions <= 5.3.3). Vulnerable at &widget-wpp[2][post_type].

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Hector Cabrera Wordpress Popular Posts — versions 5.3.3
Wordpress_popular_posts_project Wordpress_popular_posts

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
audit@patchstack.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36872?: CVE-2021-36872 is a medium-severity vulnerability in Hector Cabrera Wordpress Popular Posts, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2021-09-23.
How severe is CVE-2021-36872?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-36872 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.