CVE-2023-35156

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 79.9% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-06-23 18:19Z3 YR AGO

Last updated

2024-11-27 20:12Z1 YR AGO

Reserved

2023-06-14

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.7)

CNA CVSS vector

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

Weaknesses

• CWE-87Improper Neutralization of Alternate XSS SyntaxVariant
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

5789fd12381680cbbb155de5a216cd7b0438ce4f027ee082fdc58e20baa57b10

• github.comhttps://github.com/xwiki/xwiki-platform/security/advisories/GHSA-834c-x29c-f42cx_refsource_CONFIRM
• github.comhttps://github.com/xwiki/xwiki-platform/commit/13875a6437d4525ac4aeea25918f2d2dffac9ee1x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/commit/24ec12890ac7fa6daec8d0b3435cfcba11362fd5x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/commit/e80d22d193df364b07bab7925572720f91a8984ax_refsource_MISC
• jira.xwiki.orghttps://jira.xwiki.org/browse/XWIKI-20341x_refsource_MISC
• jira.xwiki.orghttps://jira.xwiki.org/browse/XWIKI-20583x_refsource_MISC
• jira.xwiki.orghttps://jira.xwiki.org/browse/XWIKI-20672x_refsource_MISC