What is CVE-2020-29146?

CVE-2020-29146 is a medium-severity vulnerability in Wayang-Cms Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-14.

How severe is CVE-2020-29146?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Wayang-Cms Project

CVE-2020-29146

A cross site scripting (XSS) vulnerability in index.php of Wayang-CMS v1.0 allows attackers to execute arbitrary web scripts or HTML via a constructed payload created by adding the X-Forwarded-For field to the header.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-07-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Wayang-Cms Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

lowliness9.me/post/iDACsrRWO/ (URL Repurposed, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-29146?: CVE-2020-29146 is a medium-severity vulnerability in Wayang-Cms Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-14.
How severe is CVE-2020-29146?: Medium severity. CVSS v3 base score is 6.1 out of 10.