Authenticated PHP execution via unescaped hidden parameter
Published Jun 20, 2023 · Updated Dec 10, 2024
Code injection in Pluck CMS 4.7.10-dev2 allows remote authenticated users to execute arbitrary PHP through the page editor. The page-save logic in data/inc/functions.admin.php writes the hidden POST value into generated PHP without escaping apostrophes, so crafted input terminates the string and injects executable statements. Administrative credentials are required, and successful exploitation runs attacker-supplied PHP in the web server context.
Summary
What happened
Code injection in Pluck CMS 4.7.10-dev2 allows remote authenticated users to execute arbitrary PHP through the page editor. The page-save logic in data/inc/functions.admin.php writes the hidden POST value into generated PHP without escaping apostrophes, so crafted input terminates the string and injects executable statements. Administrative credentials are required, and successful exploitation runs attacker-supplied PHP in the web server context.
The record
- CVE
- CVE-2020-20918
- Published
- Jun 20, 2023
- Updated
- Dec 10, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-94, T1059
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Jun 20, 2023CVE publishedPublication date reported by the CVE source.
- Dec 10, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GitHub issue 80 proof-of-concept requestsfunctional · demonstrated
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Technologies
Your stack
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Your stack
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