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Fencer Intel
medium 5.4

CVE-2020-27533 json

A Cross Site Scripting (XSS) issue was discovered in the search feature of DedeCMS v.5.8 that allows malicious users to inject code into we…

published 6y ago modified 4mo ago also EUVD-2020-20043

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

A Cross Site Scripting (XSS) issue was discovered in the search feature of DedeCMS v.5.8 that allows malicious users to inject code into web pages, and other users will be affected when viewing web pages.

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Timeline

  1. Published
  2. First public exploit (EDB-48974)

Exploit prediction

3.56% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-48974 DedeCMS v.5.8 - _keyword_ Cross-Site Scripting webapps, 2020-10-30
  • github.com https://github.com/dedetech/issues/issues/16 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/159772/DedeCMS-5.8-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

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.