PT-2025-16524 · Unknown · Covertnine C9 Blocks

Gab · Published 2025-04-15 · Updated 2025-04-16 · CVE-2025-26951

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions covertnine C9 Blocks versions 1.7.7 and earlier

Description The issue is related to improper neutralization of input during web page generation, which allows for DOM-Based XSS. This is a type of Cross-site Scripting attack that occurs in the DOM, rather than being reflected from the server or stored on the server.

Recommendations For versions 1.7.7 and earlier, update to a version that fixes the improper neutralization of input during web page generation to prevent DOM-Based XSS attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-26951

Affected Products

Covertnine C9 Blocks

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-26951 · Security Note
• https://patchstack.com/database/wordpress/plugin/c9-blocks/vulnerability/wordpress-c9-blocks-plugin-1-7-7-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/1912359813440294919 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/c9-blocks/vulnerability/wordpress-c9-blocks-plugin-1-7-7-cross-site-scripting-xss-vulnerability?_s_id=cve · Note