8.8

CVE-2023-22850: tiki Deserialization of Untrusted Data

CVSS: 8.8v3.1HighModified
Published 14-01-2023Last modified 07-04-2025
Open JSON

Vulnerability summary

CVE-2023-22850 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in tiki. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-01-2023
    PublishedVulnerability first disclosed.
  2. 07-04-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (karmainsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Tiki1 product

1 vendor · 1 product

References

2 links