What is CVE-2023-23677?

CVE-2023-23677 is a low-severity vulnerability in Gtmetrix, classified under Cross-site Scripting. CVSS score: 3.8/10. Published 2023-03-30.

How severe is CVE-2023-23677?

Low severity. CVSS v3 base score is 3.8 out of 10.

Is CVE-2023-23677 known to be exploited?

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

XSS in Gtmetrix

CVE-2023-23677

Reflected Cross-Site Scripting (XSS) vulnerability in GTmetrix GTmetrix for WordPress plugin <= 0.4.5 versions.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.5% 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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/gtmetrix-for-wordpress/wordpress-gtmetrix… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-23677?: CVE-2023-23677 is a low-severity vulnerability in Gtmetrix, classified under Cross-site Scripting. CVSS score: 3.8/10. Published 2023-03-30.
How severe is CVE-2023-23677?: Low severity. CVSS v3 base score is 3.8 out of 10.
Is CVE-2023-23677 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.