CVE-2023-35813

CRITICALNVD 9.89.8—Elevated

9.8

Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and Experience Commerce through 10.3.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.8%
KEV: Not listed

Published

June 17, 2023

Last Modified

December 17, 2024

References (2)

cve@mitrehttps://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002979
af854a3a-2127-422b-91ae-364da2661108https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002979

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 4× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:23 UTCepss_batch
2026-06-07 15:23 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 23:15 UTCEG score recompute
2026-05-24 23:15 UTCGHSA enrichment

Publicly available exploits

(4 references)

Working exploit code is in the public domain (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCher3ticAVI/CVE-2023-35813
First seen Nov 11, 2025
CVE-2023-35813 is a proof-of-concept used to determine if an instance of Sitecore is vulnerable by analyzing a server Response Header for modification.
Open source ↗
GitHub PoCBagheeraAltered/CVE-2023-35813-PoC
First seen Jan 15, 2024
An exploit for the Sitecore Remote Code Execution Vulnerability
Open source ↗
GitHub PoCaalexpereira/CVE-2023-35813
First seen Dec 31, 2023
Exploit for CVE-2023-35813 POC
Open source ↗
Nucleihttp/cves/2023/CVE-2023-35813.yaml
First seen Jan 1, 2023
Sitecore - Remote Code Execution
Open source ↗

Frequently asked(5)

What is CVE-2023-35813?

CVE-2023-35813 is a critical vulnerability published on June 17, 2023. Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and Experience Commerce through 10.3.

When was CVE-2023-35813 disclosed?

CVE-2023-35813 was first published in the National Vulnerability Database on June 17, 2023, with the most recent update on December 17, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-35813 actively exploited?

CVE-2023-35813 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-35813?

CVE-2023-35813 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-35813?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-35813, 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-2023-35813

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-35813?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)