CVE-2025-25062 is a Cross-Site Scripting (XSS) vulnerability affecting Backdrop CMS versions 1.28.x before 1.28.5 and 1.29.x before 1.29.3, specifically when using the CKEditor 5 module. An attacker with content creation privileges can inject malicious HTML/JavaScript into long text fields, which executes when an administrator attempts to edit that content. This is a medium severity vulnerability (CVSS 4.4) with a low impact on confidentiality and integrity, requiring user interaction and high attack complexity. There is no evidence of active exploitation, but a Nuclei template exists for detection; however, it has received minimal community and media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.28.0, < 1.28.5CPE matchmatch criteria | cpe:2.3:a:backdropcms:backdrop_cms:*:*:*:*:*:*:*:* | ||
>= 1.29.0, < 1.29.3CPE matchmatch criteria | cpe:2.3:a:backdropcms:backdrop_cms:*:*:*:*:*:*:*:* | ||
>= 1.28.0, < 1.28.5CPE match | cpe:2.3:a:backdropcms:backdrop:*:*:*:*:*:*:*:* | ||
>= 1.29.0, < 1.29.3CPE match | cpe:2.3:a:backdropcms:backdrop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.