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Fencer Intel
medium 6.1

CVE-2020-24223 json

Mara CMS 7.5 allows cross-site scripting (XSS) in contact.php via the theme or pagetheme parameters.

published 6y ago modified 4mo ago also EUVD-2020-16958

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.6%
EPSS 14.6% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

Mara CMS 7.5 allows cross-site scripting (XSS) in contact.php via the theme or pagetheme parameters.

Is CVE-2020-24223 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. Published
  2. First public exploit (EDB-48777)

Exploit prediction

14.55% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-48777 Mara CMS 7.5 - Reflective Cross-Site Scripting webapps, 2020-08-31
  • Nuclei template Mara CMS 7.5 - Cross-Site Scripting nuclei detection template
  • packetstormsecurity.com http://packetstormsecurity.com/files/158728/Mara-CMS-7.5-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/FreySolarEye/CVE/blob/master/Mara%20CMS%207.5%20-%20Cross%20Site%20Scripting referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/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.