Vulnerability · Published Aug 31, 2021 · Assigned by mitre

CVE-2020-19049

Medium 5.4

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 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)0.7%top 46.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Cross Site Scripting (XSS) in MyBB v1.8.20 allows remote attackers to inject arbitrary web script or HTML via the "Description" field found in the "Add New Forum" page by doing an authenticated POST HTTP request to '/Upload/admin/index.php?module=forum-management&action=add'.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/joelister/bug/issues/2 x_refsource_MISC