Vulnerability · Published Jun 23, 2021 · Assigned by mitre
CVE-2021-28977
Medium 4.8
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS NVD)4.8Medium
Exploit odds (30 days)0.5%top 56.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Cross Site Scripting vulnerability in GetSimpleCMS 3.3.16 in admin/upload.php by adding comments or jpg and other file header information to the content of xla, pages, and gzip files,
Affected products (as reported)
References
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1336 x_refsource_MISC