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No exploitation reportedFix available

CVE-2021-32621

No exploitation reported by the sources we read.

  • Published2021-05-28
  • Fixed in12.10.3 · 12.6.7
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.

Timeline

dates in UTC
  1. 2021-05-2821:15CVE publishedNVD

Versions per branch

NVD · OSV
Xwiki
BranchAffectedFixed in
12.10≥ 12.10, < 12.10.312.10.3
12.10≥ 12.10.0, < 12.10.312.10.3
12.6≥ 3.0.1, < 12.6.712.6.7
12.6< 12.6.712.6.7
3.0= 3.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Xwiki to 12.10.3 · 12.6.7

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.18.8known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.06.5read 2026-10-23
  • CNAweakness (CWE)CWE-94known since 2026-10-23
  • FIRST EPSSEPSS score2.1 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2021-05-18

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-05-28
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h353-hc43-95vc

Frequently asked questions

What is CVE-2021-32621?

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.

Is CVE-2021-32621 actively exploited?

Active exploitation of CVE-2021-32621 has not been confirmed. Its EPSS score was 2.1% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-32621?

CVE-2021-32621 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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