CVE-2009-4623
Multiple PHP remote file inclusion vulnerabilities in Advanced Comment System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the ACS_path parameter to (1) index.php and (2) admin.php in advanced_comment_system/.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 9.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
Multiple PHP remote file inclusion vulnerabilities in Advanced Comment System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the ACS_path parameter to (1) index.php and (2) admin.php in advanced_comment_system/. NOTE: this might only be a vulnerability when the administrator has not followed installation instructions in install.php. NOTE: this might be the same as CVE-2020-35598.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 9.85% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 10 September 2009
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- plohni/advanced comment system
- Source
- cve@mitre.org
EPSS 9.8% since 26 October 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://secunia.com/advisories/36643Vendor Advisory
- http://www.exploit-db.com/exploits/9623Exploit, Third Party Advisory, VDB Entry
- http://secunia.com/advisories/36643Vendor Advisory
- http://www.exploit-db.com/exploits/9623Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.