CVE-2025-2543

Advanced Accordion Gutenberg Block <= 5.0.2 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload

6.4 Medium

The Advanced Accordion Gutenberg Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 5.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.33%Up 0.3 points since Apr 24, 2025

What each source reports

CVE List Score used 6.4

Advanced Accordion Gutenberg Block <= 5.0.2 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload

Record: CVE-2025-2543
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-12132 6.4

Record: EUVD-2025-12132
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4g2r-p7w3-jh5j 6.4

The Advanced Accordion Gutenberg Block plugin for WordPress is vulnerable to Stored Cross-Site...

The Advanced Accordion Gutenberg Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 5.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Record: GHSA-4g2r-p7w3-jh5j
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.4

Record: CVE-2025-2543
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

spiderdevs advanced accordion gutenberg block – create beautiful faqs, content accordions & interactive tabs

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-2543 is a medium vulnerability (CVSS 6.4) in Spiderdevs Advanced Accordion Gutenberg Block – Create Beautiful Faqs, Content Accordions & Interactive Tabs, published April 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.