CVE-2024-8479: simple spoiler Code Injection — Fix

Description

The The Simple Spoiler plugin for WordPress is vulnerable to arbitrary shortcode execution in versions 1.2 to 1.3. This is due to the plugin adding the filter add_filter('comment_text', 'do_shortcode'); which will run all shortcodes in comments. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
webliberty	simple_spoiler	1.2 — 1.4

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3151179%40simple-spoiler&new=3151179%40simple-spoiler&sfp_email=&sfph_mail=

Other References

https://plugins.trac.wordpress.org/browser/simple-spoiler/trunk/simple-spoiler.php#L108 https://www.wordfence.com/threat-intel/vulnerabilities/id/8ffc76d8-b841-4c26-bbc6-1f96664efe36?source=cve

Frequently Asked Questions

What is CVE-2024-8479? +

The The Simple Spoiler plugin for WordPress is vulnerable to arbitrary shortcode execution in versions 1.2 to 1.3. This is due to the plugin adding the filter add_filter('comment_text', 'do_shortcode'); which will run all shortcodes in comments. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-8479? +

CVE-2024-8479 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-8479? +

CVE-2024-8479 affects products from webliberty, specifically: simple_spoiler. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8479? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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