XSS in Smashballoon Smash Balloon Social Post Feed
CVE-2021-24918
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (47.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Smashballoon Smash_balloon_social_post_feed
- Unknown Smash Balloon Social Post Feed — versions 4.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24918?
- CVE-2021-24918 is a medium-severity vulnerability in Smashballoon Smash Balloon Social Post Feed, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-11-29.
- How severe is CVE-2021-24918?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-24918 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.