What is CVE-2023-5121?

CVE-2023-5121 is a medium-severity vulnerability in Wpvivid Migration\, Backup\, Staging, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2023-10-20.

How severe is CVE-2023-5121?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Is CVE-2023-5121 known to be exploited?

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

XSS in Wpvivid Migration\, Backup\, Staging

CVE-2023-5121

The Migration, Backup, Staging – WPvivid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings (the backup path parameter) in versions up to, and including, 0.9.89 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Wpvivid Migration\,_backup\,_staging
Wpvividplugins Wpvivid — Backup, Migration & Staging — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@wordfence.com (Product, Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-5121?: CVE-2023-5121 is a medium-severity vulnerability in Wpvivid Migration\, Backup\, Staging, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2023-10-20.
How severe is CVE-2023-5121?: Medium severity. CVSS v3 base score is 4.4 out of 10.
Is CVE-2023-5121 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.