CVE-2021-3271 describes a stored Cross-Site Scripting (XSS) vulnerability in PressBooks version 5.17.3, specifically within the Book Info's Long Description Body. This medium-severity vulnerability (CVSS 4.8) requires high privileges and user interaction, allowing an attacker to inject malicious scripts that trigger when the books page is opened or previewed, potentially leading to limited 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 |
|---|---|---|---|
<= 5.17.3CPE matchmatch criteria | cpe:2.3:a:pressbooks:pressbooks:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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.