PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3…
Priority MEDIUM 43CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
Why it matters now
EPSS 0.0296 87th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24036
- 2026-10-03 Alias added: GHSA-xvr9-jr9p-grf3
References
Exploit 3
More forkcms Fork Cms vulnerabilities
- TI-2019-11621 Spoon Library through 2014-02-06, as used in Fork CMS before 1.4.1 and other products… CVSS 3.0CRITICAL 9.8
- TI-2022-00960 SQL injection through marking blog comments on bulk as spam in forkcms/forkcms CVSS 3.1HIGH 8.8
- TI-2021-09868 Arbitrary file upload vulnerability in Fork CMS 5.9.2 allows attackers to create or… CVSS 3.1HIGH 8.8
- TI-2020-14742 Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Fork… CVSS 3.1HIGH 8.8
- TI-2020-14508 Cross-site request forgery (CSRF) in Fork-CMS before 5.8.2 allow remote attackers to… CVSS 3.1HIGH 8.8
- TI-2015-01330 Multiple SQL injection vulnerabilities in Translations in Fork CMS before 3.8.6 allow… CVSS 2.0HIGH 7.5
Sources
- CVE-2020-24036 · CVE Program
- CVE-2020-24036 · NVD
- FIRST EPSS
- GHSA-xvr9-jr9p-grf3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences