Vulnerability · Published Feb 6, 2023 · Assigned by WPScan
CVE-2023-0147Flexible Captcha <= 4.1 - Contributor+ Stored XSS
Medium 5.4
In plain English
A medium-severity security flaw in Flexible Captcha 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 50% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.6%top 50.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Flexible Captcha WordPress plugin through 4.1 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 | Flexible Captcha | 0 – through 4.1 |
References
- https://wpscan.com/vulnerability/af9cbb4a-42fc-43c5-88f3-349b417f1a6a exploit, vdb-entry, technical-description