CVE-2021-38243
CVE-2021-38243 is a critical-severity vulnerability in Xunruicms with a CVSS 3.x base score of 9.8. 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-94.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Xunruicms
- Published:
- Last modified:
Description
xunruicms up to v4.5.1 was discovered to contain a remote code execution (RCE) vulnerability in /index.php. This vulnerability allows attackers to execute arbitrary code via a crafted GET request.
Frequently asked questions
- What is CVE-2021-38243?
- xunruicms up to v4.5.1 was discovered to contain a remote code execution (RCE) vulnerability in /index.php. This vulnerability allows attackers to execute arbitrary code via a crafted GET request.
- How severe is CVE-2021-38243?
- CVE-2021-38243 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-38243 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38243?
- CVE-2021-38243 affects Xunruicms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38243?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-38243 published?
- CVE-2021-38243 was published on 2023-09-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:xunruicms:xunruicms:*:*:*:*:*:*:*:*
More vulnerabilities in Xunruicms
- CVE-2022-36224 — High (CVSS 8.8): XunRuiCMS V4.5.6 is vulnerable to Cross Site Request Forgery (CSRF).
- CVE-2022-30037 — High (CVSS 7.2): XunRuiCMS v4.3.3 to v4.5.1 vulnerable to PHP file write and CMS PHP file inclusion, allows attackers to execute…
- CVE-2025-1186 — Medium (CVSS 6.3): A vulnerability was found in dayrui XunRuiCMS up to 4.6.4. It has been declared as critical. This vulnerability affects…
- CVE-2025-1177 — Medium (CVSS 6.3): A vulnerability was found in dayrui XunRuiCMS 4.6.3. It has been classified as critical. Affected is the function…
- CVE-2025-60445 — Medium (CVSS 6.1): A stored Cross-Site Scripting (XSS) vulnerability has been discovered in XunRuiCMS version 4.7.1. The vulnerability…
- CVE-2025-25957 — Medium (CVSS 6.1): Cross Site Scripting vulnerabilities in Xunruicms v.4.6.3 and before allows a remote attacker to escalate privileges…
All CVEs affecting Xunruicms →
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.