CVE-2021-20103 describes a stored cross-site scripting (XSS) vulnerability in Machform versions prior to 16, stemming from insufficient sanitization of file attachments uploaded via upload.php. This medium-severity flaw (CVSS 6.1) allows an unauthenticated attacker to execute malicious scripts in a victim's browser with low attack complexity, potentially leading to information disclosure or limited integrity impact. 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 |
|---|---|---|---|
< 16CPE matchmatch criteria | cpe:2.3:a:machform:machform:*:*:*:*:*:*:*:* |
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.
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