XSS in Dedecms

CVE-2020-27533

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Dedecms — versions 5.8
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27533?
CVE-2020-27533 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-22.
How severe is CVE-2020-27533?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-27533 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.