Medium severity · published Nov 29, 2021
CVE-2021-24918
Smash Balloon Social Post Feed < 4.0.1 - Subscriber+ Arbitrary Plugin Settings Update to Stored XSS
5.4
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Smash Balloon Social Post Feed ·
4.0.1 before 4.0.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24918
Exploit
https://jetpack.com/2021/10/29/security-issues-patched-in-smash-balloon-social-post-feed-plugin/
Third Party Advisory
https://wpscan.com/vulnerability/5d252ad7-bf28-44f3-8cd0-c4fe05c48f35
More from Smash Balloon Social Post Feed
5.4
CVE-2022-4477
Smash Balloon Social Post Feed < 4.1.6 - Contributor+ Stored XSS
5.4
CVE-2021-25065
Smash Balloon Social Post Feed < 4.1.1 - Authenticated Reflected Cross-Site Scripting (XSS)