How severe is CVE-2023-26056?

CVE-2023-26056 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-26056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26056?

CVE-2023-26056 primarily affects Xwiki. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-26056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-26056 published?

CVE-2023-26056 was published on 2023-03-02 and last updated on 2026-06-17.

CVE-2023-26056

CVE-2023-26056 is a medium-severity vulnerability in Xwiki with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Xwiki
Published: 2023-03-02
Last modified: 2026-06-17

Description

XWiki Platform is a generic wiki platform. Starting in version 3.0-milestone-1, it's possible to execute a script with the right of another user, provided the target user does not have programming right. The problem has been patched in XWiki 14.8-rc-1, 14.4.5, and 13.10.10. There are no known workarounds for this issue.

Frequently asked questions

What is CVE-2023-26056?: XWiki Platform is a generic wiki platform. Starting in version 3.0-milestone-1, it's possible to execute a script with the right of another user, provided the target user does not have programming right. The problem has been patched in XWiki 14.8-rc-1, 14.4.5, and 13.10.10. There are no known workarounds for this issue.
How severe is CVE-2023-26056?: CVE-2023-26056 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-26056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26056?: CVE-2023-26056 primarily affects Xwiki. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-26056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26056 published?: CVE-2023-26056 was published on 2023-03-02 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
cpe:2.3:a:xwiki:xwiki:3.0:milestone1:*:*:*:*:*:*
cpe:2.3:a:xwiki:xwiki:3.0:milestone2:*:*:*:*:*:*
cpe:2.3:a:xwiki:xwiki:3.0:milestone3:*:*:*:*:*:*

More vulnerabilities in Xwiki

CVE-2024-31996 — Critical (CVSS 10.0): XWiki Platform is a generic wiki platform. Starting in version 3.0.1 and prior to versions 4.10.19, 15.5.4, and…
CVE-2024-31982 — Critical (CVSS 10.0): XWiki Platform is a generic wiki platform. Starting in version 2.4-milestone-1 and prior to versions 4.10.20, 15.5.4,…
CVE-2024-21650 — Critical (CVSS 10.0): XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki is…
CVE-2023-46731 — Critical (CVSS 10.0): XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki doesn't…
CVE-2023-26477 — Critical (CVSS 10.0): XWiki Platform is a generic wiki platform. Starting in versions 6.3-rc-1 and 6.2.4, it's possible to inject arbitrary…
CVE-2025-53836 — Critical (CVSS 9.9): XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc)…

All CVEs affecting Xwiki →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →