UpHeron
All vulnerabilities

Servers and applications

CVE-2018-19274

Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Injection by employing Phar deserialization when an attacker has access to the Admin Control Panel with founder permissions.

Severity
High 7.2
Published
17 Nov 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.2.4
Exploit chance
5.2% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Deserialization of untrusted data (CWE-502)Prototype pollution (CWE-1321)
Attack
Over the network · Needs an administrator account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
phpBBServers and applications · cpe:a:phpbb:phpbb
  • Every version before 3.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-19274
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-19274