CVE-2023-4166
Published: April 11, 2026
Official Description
A vulnerability has been found in Tongda OA and classified as critical. This vulnerability affects unknown code of the file general/system/seal_manage/dianju/delete_log.php. The manipulation of the argument DELETE_STR leads to sql injection. The exploit has been disclosed to the public and may be used. Upgrading to version 11.10 is able to address this issue. It is recommended to upgrade the affected component. VDB-236182 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Technical Analysis
CVE-2023-4166 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-4166 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-4166 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1