What is CVE-2023-4798?

CVE-2023-4798 is a medium-severity vulnerability in Wpexperts User Avatar-Reloaded, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.

How severe is CVE-2023-4798?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-4798 known to be exploited?

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

Vulnerability in Wpexperts User Avatar-Reloaded

CVE-2023-4798

The User Avatar WordPress plugin before 1.2.2 does not properly sanitize and escape certain of its shortcodes attributes, which could allow relatively low-privileged users like contributors to conduct Stored XSS attacks.

Published 2023-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Wpexperts User Avatar-Reloaded
User Avatar — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/273a95bf-39fe-4ba7-bc14-9527acfd9f42 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-4798?: CVE-2023-4798 is a medium-severity vulnerability in Wpexperts User Avatar-Reloaded, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.
How severe is CVE-2023-4798?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-4798 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.