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Fencer Vulns
medium 6.1

CVE-2019-19736 json

MFScripts YetiShare 3.5.2 through 4.5.3 does not set the HttpOnly flag on session cookies, allowing the cookie to be read by script, which…

published 2019-12-30 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9337

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

MFScripts YetiShare 3.5.2 through 4.5.3 does not set the HttpOnly flag on session cookies, allowing the cookie to be read by script, which can potentially be used by attackers to obtain the cookie via cross-site scripting.

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

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-732 Incorrect Permission Assignment for Critical Resource

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.