CVE-2026-33653

CVE-2026-33653 is a medium-severity vulnerability in Farisc0de Uploady with a CVSS 3.x base score of 4.6. 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-79.

Key facts

Description

Ulloady is a file uploader script with multi-file upload support. A Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 3.1.2 due to improper sanitization of filenames during the file upload process. An attacker can upload a file with a malicious filename containing JavaScript code, which is later rendered in the application without proper escaping. When the filename is displayed in the file list or file details page, the malicious script executes in the browser of any user who views the page. Version 3.1.2 fixes the issue.

Frequently asked questions

What is CVE-2026-33653?
Ulloady is a file uploader script with multi-file upload support. A Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 3.1.2 due to improper sanitization of filenames during the file upload process. An attacker can upload a file with a malicious filename containing JavaScript code, which is later rendered in the application without proper escaping. When the filename is displayed in the file list or file details page, the malicious script executes in the browser of any user who views the page. Version 3.1.2 fixes the issue.
How severe is CVE-2026-33653?
CVE-2026-33653 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-33653 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33653?
CVE-2026-33653 affects Farisc0de Uploady. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33653?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33653 have an EU (EUVD) identifier?
Yes. CVE-2026-33653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16425.
When was CVE-2026-33653 published?
CVE-2026-33653 was published on 2026-03-26 and last updated on 2026-06-17.

References

Affected products (1)

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