CVE-2023-22850
CVE-2023-22850 is a high-severity vulnerability in Tiki with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-502
- Affected product: Tiki
- Published:
- Last modified:
Description
Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP Object Injection because of an unserialize call.
Frequently asked questions
- What is CVE-2023-22850?
- Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP Object Injection because of an unserialize call.
- How severe is CVE-2023-22850?
- CVE-2023-22850 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-22850 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-22850?
- CVE-2023-22850 affects Tiki. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-22850?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-22850 published?
- CVE-2023-22850 was published on 2023-01-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tiki:tiki:*:*:*:*:*:*:*:*
More vulnerabilities in Tiki
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- CVE-2018-7304 — High (CVSS 8.8): Tiki 17.1 does not validate user input for special characters; consequently, a CSV Injection attack can open a CMD.EXE…
- CVE-2023-22851 — High (CVSS 7.2): Tiki before 24.2 allows lib/importer/tikiimporter_blog_wordpress.php PHP Object Injection by an admin because of an…
- CVE-2011-4558 — High (CVSS 7.2): Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and…
- CVE-2023-22852 — Medium (CVSS 6.5): Tiki through 25.0 allows CSRF attacks that are related to tiki-importer.php and tiki-import_sheet.php.
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