CVE-2021-24506
CVE-2021-24506 is a high-severity vulnerability in Quantumcloud Slider Hero with a CVSS 3.x base score of 8.8. 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-89.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Quantumcloud Slider Hero
- Published:
- Last modified:
Description
The Slider Hero with Animation, Video Background & Intro Maker WordPress plugin before 8.2.7 does not sanitise or escape the id attribute of its hero-button shortcode before using it in a SQL statement, allowing users with a role as low as Contributor to perform SQL injection.
Frequently asked questions
- What is CVE-2021-24506?
- The Slider Hero with Animation, Video Background & Intro Maker WordPress plugin before 8.2.7 does not sanitise or escape the id attribute of its hero-button shortcode before using it in a SQL statement, allowing users with a role as low as Contributor to perform SQL injection.
- How severe is CVE-2021-24506?
- CVE-2021-24506 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-24506 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24506?
- CVE-2021-24506 affects Quantumcloud Slider Hero. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24506?
- 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.
- When was CVE-2021-24506 published?
- CVE-2021-24506 was published on 2021-08-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:quantumcloud:slider_hero:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Quantumcloud Slider Hero
- CVE-2022-3074 — Medium (CVSS 4.8): The Slider Hero WordPress plugin before 8.4.4 does not escape the slider Name, which could allow high-privileged users…
- CVE-2021-4424 — Medium (CVSS 4.3): The Slider Hero plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including,…
All CVEs affecting Quantumcloud Slider Hero →
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