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Fencer Vulns
medium 6.1

CVE-2021-27330 json

Triconsole Datepicker Calendar <3.77 is affected by cross-site scripting (XSS) in calendar_form.php.

published 2021-02-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14090

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known, plus a Nuclei check

Summary

Triconsole Datepicker Calendar <3.77 is affected by cross-site scripting (XSS) in calendar_form.php. Attackers can read authentication cookies that are still active, which can be used to perform further attacks such as reading browser history, directory listings, and file contents.

Patch / fix

  • triconsole datepicker_calendar 3.77

Exploit prediction

6.20% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Triconsole Datepicker Calendar <3.77 - Cross-Site Scripting nuclei detection template
  • exploit-db.com https://www.exploit-db.com/exploits/49597 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/161570/Triconsole-3.75-Cross-Site-Scripting.html 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 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.