CVE-2024-4268

6.4 MEDIUM
Published: July 02, 2024 Modified: April 08, 2026
View on NVD

Description

The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocks in all versions up to, and including, 3.1.9 due to insufficient input sanitization and output escaping on user supplied attributes. 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. CVE-2024-37457 may be a duplicate of this issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/advanced-heading/block.php
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/how-to/block.php
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/image-slider/block.php
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/styled-box/block.php
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/testimonial/block.php
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/extensions/custom-css/class-custom-css.php?rev=3102541#L173
Source: security@wordfence.com
Product
https://plugins.trac.wordpress.org/changeset/3075315/ultimate-blocks
Source: security@wordfence.com
Patch
https://plugins.trac.wordpress.org/changeset/3108401/
Source: security@wordfence.com
Patch
https://wordpress.org/plugins/ultimate-blocks/#developers
Source: security@wordfence.com
Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/00b60b53-77bf-4640-bf2b-84e011014623?source=cve
Source: security@wordfence.com
Third Party Advisory
https://gist.github.com/webber-naut/0a8a4f810da286392a43c4614d31712e
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/advanced-heading/block.php
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/how-to/block.php
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/image-slider/block.php
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/styled-box/block.php
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/blocks/testimonial/block.php
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/browser/ultimate-blocks/trunk/src/extensions/custom-css/class-custom-css.php?rev=3102541#L173
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://plugins.trac.wordpress.org/changeset/3075315/ultimate-blocks
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://plugins.trac.wordpress.org/changeset/3108401/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://wordpress.org/plugins/ultimate-blocks/#developers
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://www.dropbox.com/scl/fi/zh7t1qsvxkxk2dfhwd7nn/Ultimate-Blocks-Stored-XSS_POC_4.20.24.mov?rlkey=ws16dcu7f6mjd3h9emsqev7jm&e=2&st=fdr7q9h7&dl=0
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
https://www.wordfence.com/threat-intel/vulnerabilities/id/00b60b53-77bf-4640-bf2b-84e011014623?source=cve
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.3%
50th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

dotcamp

Related CVEs

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