Skip to content
Fencer Vulns
medium 6.1

CVE-2021-28280 json

CSRF + Cross-site scripting (XSS) vulnerability in search.php in PHPFusion 9.03.110 allows remote attackers to inject arbitrary web script…

published 2021-04-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14969

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

CSRF + Cross-site scripting (XSS) vulnerability in search.php in PHPFusion 9.03.110 allows remote attackers to inject arbitrary web script or HTML

Patch / fix

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • anotepad.com https://anotepad.com/notes/2skndayt 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
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Vulns 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.