6.4

CVE-2025-11162: brainstormforce spectra gutenberg blocks – website builder for the block editor Cross-site Scripting

CVSS: 6.4v3.1MediumDeferred
Published 05-11-2025Last modified 08-04-2026

Vulnerability summary

CVE-2025-11162 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in brainstormforce spectra gutenberg blocks – website builder for the block editor. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-11-2025
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS in all versions up to, and including, 2.19.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.01 pp

From 0.22% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.23%

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

Brainstormforce1 product
Wordpress1 product
  • ultimate-addons-for-gutenberg≤ 2.19.14 (fixed in 2.19.15)

2 vendors · 2 products

References

4 links