CVE-2021-28999

HIGHNVD 8.88.8—

8.8

SQL Injection vulnerability in CMS Made Simple through 2.2.15 allows remote attackers to execute arbitrary commands via the m1_sortby parameter to modules/News/function.admin_articlestab.php.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 67.4%
KEV: Not listed

Published

May 8, 2023

Last Modified

January 29, 2025

References (4)

cve@mitrehttps://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/sqli_order_by/CMS-MS-SQLi-report.md
cve@mitrehttps://seclists.org/fulldisclosure/2021/Mar/49
af854a3a-2127-422b-91ae-364da2661108https://github.com/beerpwn/CVE/blob/master/cms_made_simple_2021/sqli_order_by/CMS-MS-SQLi-report.md
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/fulldisclosure/2021/Mar/49

Weakness Classification(1)

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

CWE-89SQL Injection

Data Freshness Timeline

(refreshed 13× in last 7d / 50× 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.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-06 13:46 UTCEPSS rescore
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2026-06-05 22:45 UTCEPSS rescore
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2026-05-31 22:29 UTCEPSS rescore
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2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
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2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-25 01:50 UTCEG score recompute
2026-05-25 01:50 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-28999?

CVE-2021-28999 is a high vulnerability published on May 8, 2023. SQL Injection vulnerability in CMS Made Simple through 2.2.15 allows remote attackers to execute arbitrary commands via the m1sortby parameter to modules/News/function.adminarticlestab.php.

When was CVE-2021-28999 disclosed?

CVE-2021-28999 was first published in the National Vulnerability Database on May 8, 2023, with the most recent update on January 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-28999 actively exploited?

CVE-2021-28999 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-28999?

CVE-2021-28999 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-28999?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-28999, 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-2021-28999

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-28999?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)