CVE-2021-23124 describes a Cross-Site Scripting (XSS) vulnerability in Joomla! versions 3.9.0 through 3.9.23, specifically due to improper escaping in the mod_breadcrumbs aria-label attribute. Rated as Medium severity (CVSS 6.1), it requires user interaction (UI:R) for exploitation and could lead to limited impact on confidentiality and integrity (C:L/I:L). There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.9.0, <= 3.9.23CPE matchmatch criteria | cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/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.