XSS in Metaslider Slider\, Gallery\, And Carousel

CVE-2025-1203

The Slider, Gallery, and Carousel by MetaSlider WordPress plugin before 3.95.0 does not sanitise and escape some of its settings, which could allow high privilege users such as editor to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-1203?
CVE-2025-1203 is a low-severity vulnerability in Metaslider Slider\, Gallery\, And Carousel, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-03-24.
How severe is CVE-2025-1203?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2025-1203 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.