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Fencer Intel
critical 9.1

CVE-2018-13784 in the critical feed json

PrestaShop before 1.6.1.20 and 1.7.x before 1.7.3.4 mishandles cookie encryption in Cookie.php, Rinjdael.php, and Blowfish.php.

published 2018-07-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5722

cvss
9.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
2
Exploit-DB

Summary

PrestaShop before 1.6.1.20 and 1.7.x before 1.7.3.4 mishandles cookie encryption in Cookie.php, Rinjdael.php, and Blowfish.php.

Patch / fix

  • prestashop prestashop 1.6.1.20, 1.7.3.4

Timeline

  1. Published
  2. First public exploit (EDB-45047)

Exploit prediction

16.46% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45047 PrestaShop < 1.6.1.19 - 'BlowFish ECD' Privilege Escalation webapps, 2018-07-16
  • EDB-45046 PrestaShop < 1.6.1.19 - 'AES CBC' Privilege Escalation webapps, 2018-07-16

CVSS scores

assigned by version score vector
NVD 3.0 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

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.