2021-24486 | Social Sharing for Everyone SSB Shortcode cross site scripting
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability has been found in Social Sharing for Everyone up to 3.2.2 on WordPress (WordPress Plugin) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component SSB Shortcode Handler. The manipulation of the argument
align/like_button_size with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. As an impact it is known to affect integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. The summary by CVE is:
The Simple Social Media Share Buttons – Social Sharing for Everyone WordPress plugin before 3.2.3 did not escape the align and like_button_size parameters of its SSB shortcode, which could allow users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks.
The weakness was shared 08/23/2021. The advisory is shared at wpscan.com. This vulnerability is known as CVE-2021-24486 since 01/14/2021. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
Upgrading to version 3.2.3 eliminates this vulnerability.
VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4
Status: Not defined
0-Day Time: 🔒
Upgrade: Social Sharing for Everyone 3.2.3
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