Vulnerability Details : CVE-2023-4963
The WS Facebook Like Box Widget for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'ws-facebook-likebox' shortcode in versions up to, and including, 5.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2023-4963
- cpe:2.3:a:webshouters:ws_facebook_like_box_widget:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4963
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4963
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
3.1
|
2.7
|
Wordfence |
CWE ids for CVE-2023-4963
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: security@wordfence.com (Primary)
References for CVE-2023-4963
-
https://www.wordfence.com/threat-intel/vulnerabilities/id/8bebc229-9d15-439f-a8df-f68455bc5193?source=cve
WS Facebook Like Box Widget <= 5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via ShortcodeThird Party Advisory
-
https://plugins.trac.wordpress.org/browser/ws-facebook-likebox/trunk/includes/shortcodes.php#L22
shortcodes.php in ws-facebook-likebox/trunk/includes – WordPress Plugin RepositoryProduct
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