What is CVE-2021-24508?

CVE-2021-24508 is a medium-severity vulnerability in Smashballoon Smash Balloon Social Post Feed, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-13.

How severe is CVE-2021-24508?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-24508 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Smashballoon Smash Balloon Social Post Feed

CVE-2021-24508

The Smash Balloon Social Post Feed WordPress plugin before 2.19.2 does not sanitise or escape the feedID POST parameter in its feed_locator AJAX action (available to both authenticated and unauthenticated users) before outputting a truncated version of it in the admin dashboard, leading to an unauthenticated Stored Cross-Site Scripting issue which will be executed in the context of a logged in administrator.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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 2.19.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24508?: CVE-2021-24508 is a medium-severity vulnerability in Smashballoon Smash Balloon Social Post Feed, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-13.
How severe is CVE-2021-24508?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24508 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.