CVE-2024-8479
CVE-2024-8479 is a high-severity vulnerability in Webliberty Simple Spoiler with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-49210
- Weakness: CWE-94
- Affected product: Webliberty Simple Spoiler
- Published:
- Last modified:
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.
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.
- How severe is CVE-2024-8479?
- CVE-2024-8479 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-8479 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-8479?
- CVE-2024-8479 affects Webliberty Simple Spoiler. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-8479?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-8479 have an EU (EUVD) identifier?
- Yes. CVE-2024-8479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49210.
- When was CVE-2024-8479 published?
- CVE-2024-8479 was published on 2024-09-14 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/simple-spoiler/trunk/simple-spoiler.php#L108
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3151179%40simple-spoiler&new=3151179%40simple-spoiler&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/8ffc76d8-b841-4c26-bbc6-1f96664efe36?source=cve
Affected products (1)
- cpe:2.3:a:webliberty:simple_spoiler:*:*:*:*:*:wordpress:*:*
Other CWE-94 (Code Injection) vulnerabilities
- CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
- CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
- CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
- CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
- CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
- CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.