What is CVE-2022-45363?

CVE-2022-45363 is a medium-severity vulnerability in Muffingroup Betheme, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-11-22.

How severe is CVE-2022-45363?

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

Is CVE-2022-45363 known to be exploited?

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

XSS in Muffingroup Betheme

CVE-2022-45363

Auth. (subscriber+) Stored Cross-Site Scripting (XSS) in Muffingroup Betheme theme <= 26.6.1 on WordPress.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-11-22 · 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: 0.004 (32.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% 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: 0.004 · change: +0.000

Affected products

Muffingroup Betheme

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/betheme/wordpress-betheme-theme-26-6-1-au… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2022-45363?: CVE-2022-45363 is a medium-severity vulnerability in Muffingroup Betheme, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-11-22.
How severe is CVE-2022-45363?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2022-45363 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.