What is CVE-2015-5528?

CVE-2015-5528 is a vulnerability in Wpbeginner Floating Social Bar, classified under Cross-site Scripting. Published 2015-07-16.

Is CVE-2015-5528 known to be exploited?

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

XSS in Wpbeginner Floating Social Bar

CVE-2015-5528

Cross-site scripting (XSS) vulnerability in the save_order function in class-floating-social-bar.php in the Floating Social Bar plugin before 1.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the items[] parameter in an fsb_save_order action to wp-admin/admin-ajax.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2015-07-16 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Wpbeginner Floating Social Bar

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpvulndb.com/vulnerabilities/8098
security.szurek.pl/floating-social-bar-115-xss.html (Exploit)
wordpress.org/plugins/floating-social-bar/changelog/ (Vendor Advisory)
packetstormsecurity.com/files/132670/WordPress-Floating-Social-Bar-1.1.5-Cross-… (Exploit)
www.securityfocus.com/bid/75944 (vdb-entry)

Frequently asked questions

What is CVE-2015-5528?: CVE-2015-5528 is a vulnerability in Wpbeginner Floating Social Bar, classified under Cross-site Scripting. Published 2015-07-16.
Is CVE-2015-5528 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.