Vulnerability · Published Apr 20, 2023 · Assigned by GitHub_M

CVE-2023-30616Cross Site Request Forgery due to missing nonce verification in form block

Medium 6.5

In plain English

A medium-severity cross-site request forgery in form-block from epiphyt. 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 22% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 77.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Form block is a wordpress plugin designed to make form creation easier. Versions prior to 1.0.2 are subject to a Cross-Site Request Forgery due to a missing nonce check. There is potential for a Cross Site Request Forgery for all form blocks, since it allows to send requests to the forms from any website without a user noticing. Users are advised to upgrade to version 1.0.2. There are no known workarounds for this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
epiphyt	form-block	< 1.0.2

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References

https://github.com/epiphyt/form-block/security/advisories/GHSA-j4c2-7p87-q824 x_refsource_CONFIRM
https://github.com/epiphyt/form-block/commit/cf0012fa0710d906c594346ba775c5dc433a9426 x_refsource_MISC