XSS in Tagdiv Composer

CVE-2023-3170

The tagDiv Composer WordPress plugin before 4.2, used as a companion by the Newspaper and Newsmag themes from tagDiv, does not validate and escape some settings, which could allow users with Admin privileges to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.004 (35.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-3170: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-3170?
CVE-2023-3170 is a medium-severity vulnerability in Tagdiv Composer, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-09-11.
How severe is CVE-2023-3170?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2023-3170 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.