What is CVE-2018-6357?

CVE-2018-6357 is a high-severity vulnerability in Acurax Social Media Widget, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2018-01-27.

How severe is CVE-2018-6357?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-6357 known to be exploited?

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

XSS in Acurax Social Media Widget

CVE-2018-6357

The acx_asmw_saveorder_callback function in function.php in the acurax-social-media-widget plugin before 3.2.6 for WordPress has CSRF via the recordsArray parameter to wp-admin/admin-ajax.php, with resultant social_widget_icon_array_order XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Acurax Social Media Widget

Weakness classification (CWE)

Public proof-of-concept exploits

20142995/nuclei-templates

References

lists.openwall.net/full-disclosure/2018/01/10/8 (Exploit, Third Party Advisory)
wordpress.org/plugins/acurax-social-media-widget/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-6357?: CVE-2018-6357 is a high-severity vulnerability in Acurax Social Media Widget, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2018-01-27.
How severe is CVE-2018-6357?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-6357 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.