CVE-2021-23394
The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 18.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file. NOTE: This only applies if the server parses .phar files as PHP.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 18.93% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- std42/elfinder
- Source
- report@snyk.io
EPSS 18.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/Exploit, Third Party Advisory
- https://github.com/Studio-42/elFinderThird Party Advisory
- https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1Patch, Third Party Advisory
- https://github.com/Studio-42/elFinder/issues/3295Exploit, Issue Tracking, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554Third Party Advisory
- https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/Exploit, Third Party Advisory
- https://github.com/Studio-42/elFinderThird Party Advisory
- https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1Patch, Third Party Advisory
- https://github.com/Studio-42/elFinder/issues/3295Exploit, Issue Tracking, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.