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CVE-2023-26262

23
FAUCET Score

CVE-2023-26262 is an unrestricted language file upload vulnerability affecting Sitecore XP/XM 10.3, allowing authenticated users to achieve direct code execution on the content management server. With a CVSS score of 7.2 (High), this vulnerability has a network attack vector and low attack complexity, enabling high impact on confidentiality, integrity, and availability. While the EPSS score indicates a higher-than-average likelihood of exploitation, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.3CPE matchmatch criteria
cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:*
< 10.3CPE matchmatch criteria
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0166 is in the 68th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryworkaround availablevia nvd_reference
View patch

References

github.com / istern/CVE-2023-26262
ExploitMitigationThird Party Advisory
sitecore.com / trust
Vendor Advisory