CVE-2023-26839

MEDIUMNVD 4.34.3—Elevated

4.3

A cross-site request forgery (CSRF) vulnerability in ChurchCRM v4.5.3 allows attackers to edit information for existing people on the site.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 36.6%
KEV: Not listed

Published

April 25, 2023

Last Modified

February 4, 2025

References (4)

cve@mitrehttps://github.com/10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-26839
cve@mitrehttps://github.com/ChurchCRM/CRM
af854a3a-2127-422b-91ae-364da2661108https://github.com/10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-26839
af854a3a-2127-422b-91ae-364da2661108https://github.com/ChurchCRM/CRM

Weakness Classification(1)

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

CWE-352Cross-Site Request Forgery (CSRF)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× 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.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-26839?

CVE-2023-26839 is a medium vulnerability published on April 25, 2023. A cross-site request forgery (CSRF) vulnerability in ChurchCRM v4.5.3 allows attackers to edit information for existing people on the site.

When was CVE-2023-26839 disclosed?

CVE-2023-26839 was first published in the National Vulnerability Database on April 25, 2023, with the most recent update on February 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26839 actively exploited?

CVE-2023-26839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26839?

CVE-2023-26839 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2023-26839?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26839, 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.

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CVE-2023-26839

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26839?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)