CVE-2021-39503
CVE-2021-39503 is a high-severity vulnerability in Phpmywind 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-94.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 6.5
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Phpmywind
- Published:
- Last modified:
Description
PHPMyWind 5.6 is vulnerable to Remote Code Execution. Becase input is filtered without "<, >, ?, =, `,...." In WriteConfig() function, an attacker can inject php code to /include/config.cache.php file.
Frequently asked questions
- What is CVE-2021-39503?
- PHPMyWind 5.6 is vulnerable to Remote Code Execution. Becase input is filtered without "<, >, ?, =, `,...." In WriteConfig() function, an attacker can inject php code to /include/config.cache.php file.
- How severe is CVE-2021-39503?
- CVE-2021-39503 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-2021-39503 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39503?
- CVE-2021-39503 affects Phpmywind. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39503?
- 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-2021-39503 published?
- CVE-2021-39503 was published on 2021-09-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phpmywind:phpmywind:5.6:*:*:*:*:*:*:*
More vulnerabilities in Phpmywind
- CVE-2020-21060 — High (CVSS 8.8): SQL injection vulnerability found in PHPMyWind v.5.6 allows a remote attacker to gain privileges via the delete…
- CVE-2020-21400 — High (CVSS 7.2): SQL injection vulnerability in gaozhifeng PHPMyWind v.5.6 allows a remote attacker to execute arbitrary code via the id…
- CVE-2020-18886 — High (CVSS 7.2): Unrestricted File Upload in PHPMyWind v5.6 allows remote attackers to execute arbitrary code via the component…
- CVE-2020-18885 — High (CVSS 7.2): Command Injection in PHPMyWind v5.6 allows remote attackers to execute arbitrary code via the "text color" field of the…
- CVE-2018-17134 — High (CVSS 7.2): admin/web_config.php in PHPMyWind 5.5 allows Admin users to execute arbitrary code via the cfg_author field in…
- CVE-2018-17133 — High (CVSS 7.2): admin/web_config.php in PHPMyWind 5.5 allows Admin users to execute arbitrary code via the rewrite url setting.
All CVEs affecting Phpmywind →
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