CVE-2021-24918

medium

Description

The Smash Balloon Social Post Feed WordPress plugin before 4.0.1 did not have any privilege or nonce validation before saving the plugin's setting. As a result, any logged-in user on a vulnerable site could update the settings and store rogue JavaScript on each of its posts and pages.

References

https://wpscan.com/vulnerability/5d252ad7-bf28-44f3-8cd0-c4fe05c48f35

https://jetpack.com/2021/10/29/security-issues-patched-in-smash-balloon-social-post-feed-plugin/

Details

Source: Mitre, NVD

Published: 2021-11-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00171