CVE-2025-49929

MEDIUM

Ultimate Blocks <= 3.3.6 - Stored Cross-Site Scripting

Title source: llm

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks ultimate-blocks allows Stored XSS.This issue affects Ultimate Blocks: from n/a through <= 3.3.6.

References (1)

Core 1

Core References

Third Party Advisory vdb-entry

https://patchstack.com/database/Wordpress/Plugin/ultimate-blocks/vulnerability/wordpress-ultimate-blocks-plugin-3-3-6-cross-site-scripting-xss-vulnerability?_s_id=cve

Scores

CVSS v3 6.5

EPSS 0.0020

EPSS Percentile 10.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

Ultimate Blocks/Ultimate Blocks < 3.3.6

Ultimate Blocks/Ultimate Blocks < <= 3.3.6

Published Oct 22, 2025

Tracked Since Feb 18, 2026