CVE-2021-36426
CVE-2021-36426 is a high-severity vulnerability in Phpwcms 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-434.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Phpwcms
- Published:
- Last modified:
Description
File Upload vulnerability in phpwcms 1.9.25 allows remote attackers to run arbitrary code via crafted file upload to include/inc_lib/general.inc.php.
Frequently asked questions
- What is CVE-2021-36426?
- File Upload vulnerability in phpwcms 1.9.25 allows remote attackers to run arbitrary code via crafted file upload to include/inc_lib/general.inc.php.
- How severe is CVE-2021-36426?
- CVE-2021-36426 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-2021-36426 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36426?
- CVE-2021-36426 affects Phpwcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36426?
- 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-2021-36426 published?
- CVE-2021-36426 was published on 2023-02-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phpwcms:phpwcms:*:*:*:*:*:*:*:*
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