Vulnerability Details CVE-2025-4577
The Smash Balloon Social Post Feed – Simple Social Feeds for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the data-color attribute in all versions up to, and including, 4.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.3%
CVSS Severity
CVSS v3 Score 6.4
References
- https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L245
- https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L254
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ec3de7e2-4a29-401f-af2c-0ce78d768eae?source=cve
Products affected by CVE-2025-4577
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0.1
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0.2
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0.3
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0.4
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.0.5
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.1
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.2
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.3
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.4
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.5
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.7
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.8
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.1.9
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.1
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.2
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.3
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.4
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.5
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.2.6
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.3.0
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cpe:2.3:a:wpbeginner:smash_balloon_social_post_feed:4.3.1