Vulnerability · Published Mar 27, 2023 · Assigned by WPScan
CVE-2023-0491Schedulicity - Easy Online Scheduling <= 2.21 - Contributor+ Stored XSS
Medium 6.5
In plain English
A medium-severity security flaw in Schedulicity from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.6%top 53.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Schedulicity WordPress plugin through 2.21 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Schedulicity | 0 – through 2.21 |
References
- https://wpscan.com/vulnerability/b1a7e8fc-ffcf-493b-9f2d-ffa5d2348b60 exploit, vdb-entry, technical-description