CVE-2023-26055 | XWiki Commons may allow privilege escalation to programming rights via user's first name

Exp

XWiki Commons are technical libraries common to several other top level XWiki projects. Starting in version 3.1-milestone-1, any user can edit their own profile and inject code, which is going to be executed with programming right. The same vulnerability can also be exploited in all other places where short text properties are displayed, e.g., in apps created using Apps Within Minutes that use a short text field. The problem has been patched on versions 13.10.9, 14.4.4, 14.7RC1.

Published: 2023-03-02 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-26055 is rated High Exploit Risk (72.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.16%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-26055

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-26055

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.90% 1.16% -3.73%
2 2026-03-14 5.05% 4.90% -0.16%
3 2026-03-07 — 5.05% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-26055

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.9 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.1 6.0 [email protected]
9.9 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.1 6.0 [email protected]

Weakness enumeration for CVE-2023-26055

GitHub Security Advisory for CVE-2023-26055

GHSA-8cw6-4r32-6r3h · Severity: critical · Ecosystem: maven — XWiki Platform may allow privilege escalation to programming rights via user's first name

Affected software / configurations for CVE-2023-26055

Vendor Product Version Raw CPE
xwiki commons >= 3.2, < 13.10.9 cpe:2.3:a:xwiki:commons:*:*:*:*:*:*:*:*
xwiki commons >= 14.4, < 14.4.4 cpe:2.3:a:xwiki:commons:*:*:*:*:*:*:*:*
xwiki commons >= 14.5, < 14.7 cpe:2.3:a:xwiki:commons:*:*:*:*:*:*:*:*
xwiki commons 3.1 cpe:2.3:a:xwiki:commons:3.1:milestone1:*:*:*:*:*:*
xwiki commons 3.1 cpe:2.3:a:xwiki:commons:3.1:milestone2:*:*:*:*:*:*
xwiki commons 3.1.1 cpe:2.3:a:xwiki:commons:3.1.1:*:*:*:*:*:*:*
xwiki commons 14.4 cpe:2.3:a:xwiki:commons:14.4:rc1:*:*:*:*:*:*

References for CVE-2023-26055

URL Tags
https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-8cw6-4r32-6r3h Exploit Vendor Advisory
https://jira.xwiki.org/browse/XCOMMONS-2498 Issue Tracking Patch Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-19793 Exploit Issue Tracking Patch Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-19794 Exploit Issue Tracking Patch Vendor Advisory
cvelogic Threat Intelligence