CVE-2021-24686: SVG Support < 2.3.20 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-01 · updated 2026-06-17
Weakness: CWE-79

Description

The SVG Support WordPress plugin before 2.3.20 does not escape the "CSS Class to target" setting before outputting it in an attribute, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

benbodhi SVG Support: before 2.3.20 — fixed in 2.3.20

How to fix

Upgrade to a fixed version: benbodhi SVG Support 2.3.20. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2651929
https://wpscan.com/vulnerability/38018695-901d-48d9-b39a-7c00df7f0a4b
https://plugins.trac.wordpress.org/changeset/2651929
https://wpscan.com/vulnerability/38018695-901d-48d9-b39a-7c00df7f0a4b

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