webchess v1.0 was discovered to contain a SQL injection vulnerability via the $playerID…
Priority HIGH 82CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-89.
Summary
webchess v1.0 was discovered to contain a SQL injection vulnerability via the $playerID parameter at mainmenu.php. NOTE: this is disputed by a third party who indicates that the playerID is a session variable controlled by the server, and thus cannot be used for exploitation.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00846 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webchess_project:webchess:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Webchess Project |
- cpe:2.3:a:webchess_project:webchess:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Webchess Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39851
- 2026-10-03 Alias added: GHSA-9rfp-wq3q-rh78
References
More Webchess Project Webchess vulnerabilities
- TI-2023-09089 WebChess through 0.9.0 and 1.0.0.rc2 allows SQL injection: mainmenu.php, chess.php, and… CVSS 3.1HIGH 8.8
- TI-2019-15113 WebChess 1.0 allows SQL injection via the messageFrom, gameID, opponent, messageID, or to parameter. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-39851 · CVE Program
- CVE-2023-39851 · NVD
- FIRST EPSS
- GHSA-9rfp-wq3q-rh78 · GitHub Advisory Database · CC BY 4.0
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