Vulnerability · Published Sep 3, 2026 · Assigned by Patchstack
CVE-2026-81300WordPress Calculation For Contact Form 7 plugin <= 1.0 - Cross Site Scripting (XSS) vulnerability
High 7.1
In plain English
A high-severity cross-site scripting in Calculation For Contact Form 7 from silverplugins217. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 83.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Cross Site Scripting (XSS) in Calculation For Contact Form 7 <= 1.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| silverplugins217 | Calculation For Contact Form 7 | n/a – 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:L