Vulnerability · Published Apr 26, 2022 · Assigned by krcert
CVE-2021-26628MaxBoard XSS and File Upload Vulnerability
High 8.1
In plain English
A high-severity cross-site scripting in MaxBoard from No Vendor Information. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.8%top 43.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| No Vendor Information | MaxBoard | unspecified – through 1.9.6 |
Weakness: CWE-79, CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N