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HIGH severity

Cross Site Request Forgery in SilverpeasGHSA-g27c-w2v7-88xp

HIGH

GHSA-g27c-w2v7-88xp is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in org.silverpeas.core:silverpeas-core-web. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for org.silverpeas.core:silverpeas-core-web — see the affected versions and patch details below.

Also known asCVE-2023-47322
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs33th percentile — riskier than 33% of all scored CVEsHighest risk
0.00%0.30%0.60%0.90%0.1%0.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.silverpeas.core:silverpeas-core-web

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

The "userModify" feature of Silverpeas Core 6.3.1 is vulnerable to Cross Site Request Forgery (CSRF) leading to privilege escalation. If an administrator goes to a malicious URL while being authenticated to the Silverpeas application, the CSRF with execute making the attacker an administrator user in the application.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.silverpeas.core:silverpeas-core-weball versions6.3.2org.silverpeas.core:silverpeas-core-web:6.3.2

Affected Products

1 product · 1 configurations
Application
silverpeassilverpeas
< 6.3.2
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

The "userModify" feature of Silverpeas Core 6.3.1 is vulnerable to Cross…

github.comNVDDec 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.silverpeas.core:silverpeas-core-web, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.silverpeas.core:silverpeas-core-web to 6.3.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g27c-w2v7-88xp is resolved across your whole dependency graph.

  3. Workarounds

    Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Frequently Asked Questions

The "userModify" feature of Silverpeas Core 6.3.1 is vulnerable to Cross Site Request Forgery (CSRF) leading to privilege escalation. If an administrator goes to a malicious URL while being authenticated to the Silverpeas application, the CSRF with execute making the attacker an administrator user in the application.
O3 Security · Impact-Aware SCA

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Cross Site Request Forgery in Silverpeas (High 8.8)