TI-2019-07254 Aliases CVE-2019-9874 GHSA-wfwm-vf76-3692

Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF)…

CRITICAL 100Exploited in the wildCWE-502Published 2019-05-31 · Updated 2025-10-21

Key facts

Attack vector: Network
Privileges required: None
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 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.

Why it matters now

Exploitation Active In CISA KEV since 2025-03-26CISA due date 2025-04-16

EPSS 0.83736 99th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Active
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:sitecore:cms::::::::	7.0 – 7.2	Vulnerable	Sitecore
cpe:2.3:a:sitecore:experience_platform::::::::	7.5 – 8.2	Vulnerable	Sitecore

cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:* Versions 7.0 – 7.2 Vulnerable ·Sitecore
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:* Versions 7.5 – 8.2 Vulnerable ·Sitecore

Remediation

No fixed version listed by the sources yet.

Timeline

2025-03-26 Added to CISA KEV
2026-10-02 Threatist record created from CVE-2019-9874
2026-10-03 Alias added: GHSA-wfwm-vf76-3692

References

Exploit 1

https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf

Advisory 2

TI-2019-07255 Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows… KEVCVSS 3.1HIGH 8.8
TI-2019-08376 Multiple cross-site scripting (XSS) vulnerabilities in Sitecore CMS 9.0.1 and earlier… CVSS 3.0MEDIUM 6.1
TI-2017-08462 In Sitecore 8.2, there is absolute path traversal via the… CVSS 3.0MEDIUM 4.9
TI-2017-08461 In Sitecore 8.2, there is reflected XSS in the shell/Applications/Tools/Run Program parameter. CVSS 3.0MEDIUM 5.4
TI-2009-02070 Cross-site scripting (XSS) vulnerability in login/default.aspx in Sitecore CMS before… CVSS 2.0MEDIUM 4.3
TI-2014-08268 Cross-site scripting (XSS) vulnerability in Sitecore CMS before 7.0 Update-4 (rev. CVSS 2.0MEDIUM 4.3

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences