CVE-2021-27946 is a high-severity SQL Injection vulnerability affecting MyBB versions prior to 1.8.26, specifically through the poll vote count functionality. With a CVSS score of 8.8, this vulnerability can be exploited remotely with low privileges and no user interaction, potentially leading to full compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, an exploit is publicly available on ExploitDB (EDB-49699), though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8.26CPE matchmatch criteria | cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.