CVE-2025-31077: WordPress Ultimate Blocks plugin <= 3.2.7 - Cross Site Scripting (XSS) vulnerability

6.5 CVSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks allows DOM-Based XSS. This issue affects Ultimate Blocks: from n/a through 3.2.7.

Classification

CVE ID: CVE-2025-31077

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

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

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Vendor: Ultimate Blocks

Product: Ultimate Blocks

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.45% (scored less or equal to compared to others)

EPSS Date: 2025-04-21 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-31077
https://patchstack.com/database/wordpress/plugin/ultimate-blocks/vulnerability/wordpress-ultimate-blocks-plugin-3-2-7-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline