CVE-2018-17826

8.8 highEPSS 0.5%

High (8.8) in hisiphp hisiphp. EPSS 0.5% chance of exploitation in the next 30 days.

HisiPHP 1.0.8 allows CSRF via admin.php/admin/user/adduser.html to add an administrator account. The attacker can then use that account to execute arbitrary PHP code by leveraging app/common/model/AdminAnnex.php to add .php to the default list of allowable file-upload types (.jpg, .png, .gif, .jpeg, and .ico).

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2018-10-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hisiphp:hisiphp

References

https://github.com/rakjong/vuln/blob/master/hisiphp_getshell.pdf
https://github.com/rakjong/vuln/blob/master/hisiphp_getshell.pdf

Check your stack JSON