CVE-2025-34510: Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 2 public reports, the first from .
- How likely is exploitation in the next 30 days?
- 24.8%
EPSS score, percentile 97.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.
CISA's SSVC assessment in the CVE record lists exploitation as poc.
- How severe?
- 8.8 High
CVSS v3.1 base score, given by the CNA
- What should I do?
Apply the vendor provided hotpatch.Solution from the CVE record.
CISA has set no required action, because the vulnerability is not in KEV.
- Which versions are affected?
Affected
- 9.0 through 9.3
- 10.0 through 10.4
- 9.0 through 9.3
- 10.0 through 10.4
- 9.0 through 9.3
- 10.0 through 10.4
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip
Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and 10.0 through 10.4 are affected by a Zip Slip vulnerability. A remote, authenticated attacker can exploit this issue by sending a crafted HTTP request to upload a ZIP archive containing path traversal sequences, allowing arbitrary file writes and leading to code execution.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (3 products)
| Status | Versions |
|---|---|
| Affected | 9.0 through 9.3 |
| Affected | 10.0 through 10.4 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 9.0 through 9.3 |
| Affected | 10.0 through 10.4 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 9.0 through 9.3 |
| Affected | 10.0 through 10.4 |
Versions not listed are: unaffected.
Source: CVE List, as of . About the data.
Weakness
CWE-23
- CWE-23: Relative Path Traversal
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
1
Known exploited Sitecore vulnerabilities
- CVE-2025-53690: Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
- CVE-2019-9874: Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
- CVE-2019-9875: Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
- CVE-2021-42237: Sitecore XP Remote Command Execution Vulnerability