XSS in Sigmaplugin Advanced Database Cleaner

CVE-2021-24921

The Advanced Database Cleaner WordPress plugin before 3.0.4 does not sanitise and escape $_GET keys and values before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.008 (54.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-24921: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24921?
CVE-2021-24921 is a medium-severity vulnerability in Sigmaplugin Advanced Database Cleaner, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-21.
How severe is CVE-2021-24921?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24921 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.