CVE-2025-48234
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks ultimate-blocks allows DOM-Based XSS.This issue affects Ultimate Blocks: from n/a through <= 3.3.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
DOM-Based XSS vulnerability in Ultimate Blocks WordPress plugin (<=3.3.0) allows attackers to inject malicious scripts via unsanitized input, requiring user interaction.
The Ultimate Blocks plugin for WordPress fails to properly neutralize input during web page generation, leading to a DOM-Based Cross-Site Scripting (XSS) vulnerability. This affects all versions from n/a through 3.3.0 [1].
Exploitation requires a privileged user to perform an action such as clicking a malicious link or visiting a crafted page. The attacker must trick a user with appropriate privileges into taking that action, making user interaction a prerequisite [1].
Successful exploitation allows an attacker to inject malicious scripts, including redirects, advertisements, or other HTML payloads, which execute when visitors access the site. This could lead to defacement, data theft, or further compromise of the WordPress installation [1].
The vulnerability is fixed in version 3.3.1. Users are strongly advised to update immediately. Patchstack users can enable auto-updates for vulnerable plugins. Although rated as low severity, this type of vulnerability is frequently used in mass-exploit campaigns targeting thousands of websites [1].
AI Insight generated on May 20, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2<=3.3.0+ 1 more
- (no CPE)range: <=3.3.0
- (no CPE)range: <=3.3.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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