What is CVE-2021-36884?

CVE-2021-36884 is a medium-severity vulnerability in Backupbliss Backup_migration, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-19.

How severe is CVE-2021-36884?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-36884 known to be exploited?

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

XSS in Backupbliss Backup_migration

CVE-2021-36884

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Backupbliss Backup_migration
Backupbliss Backup Migration (Wordpress Plugin) — versions <= 1.1.5

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)
audit@patchstack.com (x_refsource_CONFIRM, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36884?: CVE-2021-36884 is a medium-severity vulnerability in Backupbliss Backup_migration, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-19.
How severe is CVE-2021-36884?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-36884 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.