How severe is CVE-2023-22853?

CVE-2023-22853 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-2023-22853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22853?

CVE-2023-22853 affects Tiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22853?

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-2023-22853 published?

CVE-2023-22853 was published on 2023-01-14 and last updated on 2026-06-17.

CVE-2023-22853

CVE-2023-22853 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Tiki
Published: 2023-01-14
Last modified: 2026-06-17

Description

Tiki before 24.1, when feature_create_webhelp is enabled, allows lib/structures/structlib.php PHP Object Injection because of an eval.

Frequently asked questions

What is CVE-2023-22853?: Tiki before 24.1, when feature_create_webhelp is enabled, allows lib/structures/structlib.php PHP Object Injection because of an eval.
How severe is CVE-2023-22853?: CVE-2023-22853 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-2023-22853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22853?: CVE-2023-22853 affects Tiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22853?: 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-2023-22853 published?: CVE-2023-22853 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

CVE-2020-15906 — Critical (CVSS 9.8): tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts.
CVE-2023-22850 — High (CVSS 8.8): Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP Object Injection because of…
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.

All CVEs affecting Tiki →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →