CVE-2021-39343 describes a Stored Cross-Site Scripting (XSS) vulnerability in the MPL-Publisher WordPress plugin, affecting versions up to and including 1.30.2. This flaw stems from insufficient input validation in the ~/libs/PublisherController.php file, allowing administrative users to inject arbitrary web scripts. The vulnerability has a CVSS score of 4.8 (Medium), indicating a network-based attack requiring high privileges and user interaction, with potential for low impact on confidentiality and integrity. There is 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 |
|---|---|---|---|
<= 1.30.2CPE matchmatch criteria | cpe:2.3:a:mpl-publisher:mpl-publisher:*:*:*:*:*:wordpress:*:* | ||
>= 1.30.2, <= 1.30.2CPE match | cpe:2.3:a:mpl-publisher:mpl-publisher:*:*:*:*:*: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.