HOMEVULNERABILITIESCVE-2023-22850
HIGH

CVE-2023-22850

CWE-502Published: January 14, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP Object Injection because of an unserialize call.

NVD Source

Technical Analysis

CVE-2023-22850 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tiki1 product(s)
tiki
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://karmainsecurity.com/KIS-2023-03Exploit · Third Party Advisory
https://karmainsecurity.com/KIS-2023-03Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2023-22850
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-502
CISA KEVNo
Affected1 vendor(s)
PublishedJan 14, 2023

Related CVEs (CWE-502)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-22850 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.