CVE-2021-33570 describes a stored Cross-Site Scripting (XSS) vulnerability in Postbird version 0.8.4, affecting the postbird_project. An attacker can inject malicious JavaScript into a PostgreSQL database table via the onerror attribute of an IMG element. This medium-severity vulnerability (CVSS 5.4) allows for potential local file disclosure or PostgreSQL password discovery through crafted XMLHttpRequest or Window.localStorage interactions. While not actively exploited in the wild and not on the KEV list, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.8.4CPE matchmatch criteria | cpe:2.3:a:postbird_project:postbird:0.8.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/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, 0.0 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.