Vulnerability · Published Aug 16, 2021 · Assigned by Wordfence
CVE-2021-34667Calendar_plugin <= 1.0 Reflected Cross-Site Scripting
Medium 6.1
In plain English
A medium-severity cross-site scripting in Calendar_plugin from Calendar_plugin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.9%top 40.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Calendar_plugin | Calendar_plugin | 1.0 – through 1.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N