CVE-2023-22959

HIGHNVD 8.88.8—Elevated

8.8

EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.

High severity, but no confirmed exploitation yet

CISA-KEV: Not listedEPSS: 14%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

WebChess through 0.9.0 and 1.0.0.rc2 allows SQL injection: mainmenu.php, chess.php, and opponentspassword.php (txtFirstName, txtLastName).

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 96.0%
KEV: Not listed

Published

January 11, 2023

Last Modified

April 7, 2025

References (4)

cve@mitrehttps://github.com/chenan224/webchess_sqli_poc
cve@mitrehttps://sourceforge.net/p/webchess/bugs/84/
af854a3a-2127-422b-91ae-364da2661108https://github.com/chenan224/webchess_sqli_poc
af854a3a-2127-422b-91ae-364da2661108https://sourceforge.net/p/webchess/bugs/84/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-89SQL Injection

Data Freshness Timeline

(refreshed 11× in last 7d / 56× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-27 03:07 UTCEPSS rescore
2026-06-25 13:48 UTCEPSS rescore
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2026-06-11 13:58 UTCEPSS rescore
2026-06-10 22:17 UTCEPSS rescore
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2026-05-31 22:29 UTCEPSS rescore
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2026-05-27 13:39 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-25 08:53 UTCEG score recompute
2026-05-25 08:53 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-22959?

CVE-2023-22959 is a high vulnerability published on January 11, 2023. WebChess through 0.9.0 and 1.0.0.rc2 allows SQL injection: mainmenu.php, chess.php, and opponentspassword.php (txtFirstName, txtLastName).

When was CVE-2023-22959 disclosed?

CVE-2023-22959 was first published in the National Vulnerability Database on January 11, 2023, with the most recent update on April 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-22959 actively exploited?

CVE-2023-22959 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-22959?

CVE-2023-22959 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-22959?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22959, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-22959

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-22959?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)