CVE-2013-0803

CVE-2013-0803 is a critical-severity vulnerability in Polarbear Cms Project Polarbear Cms with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 75% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Description

A PHP File Upload Vulnerability exists in PolarBear CMS 2.5 via upload.php, which could let a malicious user execute arbitrary code.

Frequently asked questions

What is CVE-2013-0803?
A PHP File Upload Vulnerability exists in PolarBear CMS 2.5 via upload.php, which could let a malicious user execute arbitrary code.
How severe is CVE-2013-0803?
CVE-2013-0803 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-2013-0803 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0803?
CVE-2013-0803 affects Polarbear Cms Project Polarbear Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-0803?
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-2013-0803 published?
CVE-2013-0803 was published on 2020-02-11 and last updated on 2026-06-16.

References

Affected products (1)

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →