7.2

CVE-2026-103354: liquid web / stellarwp gutenberg blocks by kadence blocks Cross-site Scripting

CVSS: 7.2v3.1HighDeferred
Published 04-10-2026Last modified 05-10-2026
Open JSON

Vulnerability summary

CVE-2026-103354 is a high (CVSS 7.2) Cross-site Scripting vulnerability in liquid web / stellarwp gutenberg blocks by kadence blocks. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.4% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (wordfence)
EPSS score
0.15%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-10-2026
    PublishedVulnerability first disclosed.
  2. 05-10-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.7.11.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

04-10-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Liquid web / stellarwp1 product
Wordpress1 product
  • kadence-blocks≤ 3.7.11.1 (fixed in 3.7.12)

2 vendors · 2 products

References

2 links