CVE-2021-24312
CVE-2021-24312 is a high-severity vulnerability in Automattic Wp Super Cache with a CVSS 3.x base score of 7.2. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Automattic Wp Super Cache
- Published:
- Last modified:
Description
The parameters $cache_path, $wp_cache_debug_ip, $wp_super_cache_front_page_text, $cache_scheduled_time, $cached_direct_pages used in the settings of WP Super Cache WordPress plugin before 1.7.3 result in RCE because they allow input of '$' and '\n'. This is due to an incomplete fix of CVE-2021-24209.
Frequently asked questions
- What is CVE-2021-24312?
- The parameters $cache_path, $wp_cache_debug_ip, $wp_super_cache_front_page_text, $cache_scheduled_time, $cached_direct_pages used in the settings of WP Super Cache WordPress plugin before 1.7.3 result in RCE because they allow input of '$' and '\n'. This is due to an incomplete fix of CVE-2021-24209.
- How severe is CVE-2021-24312?
- CVE-2021-24312 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-24312 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24312?
- CVE-2021-24312 affects Automattic Wp Super Cache. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24312?
- 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-2021-24312 published?
- CVE-2021-24312 was published on 2021-06-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:automattic:wp_super_cache:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Automattic Wp Super Cache
- CVE-2013-2010 — Critical (CVSS 9.8): WordPress W3 Total Cache Plugin 0.9.2.8 has a Remote PHP Code Execution Vulnerability
- CVE-2013-2009 — High (CVSS 8.8): WordPress WP Super Cache Plugin 1.2 has Remote PHP Code Execution
- CVE-2021-24209 — High (CVSS 7.2): The WP Super Cache WordPress plugin before 1.7.2 was affected by an authenticated (admin+) RCE in the settings page due…
- CVE-2013-2008 — Medium (CVSS 6.1): WordPress Super Cache Plugin 1.3 has XSS.
- CVE-2021-24329 — Medium (CVSS 5.4): The WP Super Cache WordPress plugin before 1.7.3 did not properly sanitise its wp_cache_location parameter in its…
All CVEs affecting Automattic Wp Super Cache →
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