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Fencer Intel
medium 5.4

CVE-2020-29469 json

WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Menu component.

published 5y ago modified 4mo ago also EUVD-2020-21839

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
1
Exploit-DB

Summary

WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Menu component. This vulnerability can allow an attacker to inject the XSS payload in the Setting - Menu and each time any user will visits the website directory, the XSS triggers and attacker can steal the cookie according to the crafted payload.

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Timeline

  1. First public exploit (EDB-49164)
  2. Published

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49164 WonderCMS 3.1.3 - 'Menu' Persistent Cross-Site Scripting webapps, 2020-12-02

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.