What is CVE-2017-20158?

CVE-2017-20158 is a low-severity vulnerability in Vova07 Yii2 Fileapi Widget, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2022-12-31.

How severe is CVE-2017-20158?

Low severity. CVSS v3 base score is 3.5 out of 10.

Is CVE-2017-20158 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Vova07 Yii2 Fileapi Widget

CVE-2017-20158

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in vova07 Yii2 FileAPI Widget up to 0.1.8. It has been declared as problematic. Affected by this vulnerability is the function run of the file actions/UploadAction.php. The manipulation of the argument file leads to cross site scripting. The attack can be launched remotely. Upgrading to version 0.1.9 is able to address this issue. The identifier of the patch is c00d1e4fc912257fca1fce66d7a163bdbb4c8222. It is recommended to upgrade the affected component. The identifier VDB-217141 was assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Vova07 Yii2 Fileapi Widget — versions 0.1.1, 0.1.2, 0.1.0
Yii2 Fileapi Widget Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2017-20158

References

vuldb.com/ (Permissions Required, technical-description, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
github.com/vova07/yii2-fileapi-widget/commit/c00d1e4fc912257fca1fce66d7a163bdbb… (Patch, patch)
github.com/vova07/yii2-fileapi-widget/releases/tag/0.1.9 (Release Notes, patch)

Frequently asked questions

What is CVE-2017-20158?: CVE-2017-20158 is a low-severity vulnerability in Vova07 Yii2 Fileapi Widget, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2022-12-31.
How severe is CVE-2017-20158?: Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2017-20158 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.