CVE-2021-39345 describes a Stored Cross-Site Scripting (XSS) vulnerability in the HAL WordPress plugin, affecting versions up to and including 2.1.1. This flaw stems from insufficient input validation and sanitization, allowing administrative users to inject malicious web scripts. The vulnerability has a CVSS score of 4.8 (Medium), indicating a network-based attack with low complexity, requiring high privileges and user interaction, potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.1CPE matchmatch criteria | cpe:2.3:a:cnrs:hal:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.