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Vulnerability Details :

CVE-2026-27473

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-19 Feb, 2026 | 18:38
Updated At-19 Feb, 2026 | 18:38
Rejected At-
Credits

SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites

SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:19 Feb, 2026 | 18:38
Updated At:19 Feb, 2026 | 18:38
Rejected At:
▼CVE Numbering Authority (CNA)
SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites

SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.

Affected Products
Vendor
SPIP
Product
SPIP
Default Status
unaffected
Versions
Affected
  • From 4.4.0 before 4.4.9 (semver)
Problem Types
TypeCWE IDDescription
CWEImproperImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: Improper
Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
4.05.1MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
3.16.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Dorian Piette (Trachinus)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
vendor-advisory
patch
https://git.spip.net/spip/spip
product
https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites
third-party-advisory
Hyperlink: https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Resource:
vendor-advisory
patch
Hyperlink: https://git.spip.net/spip/spip
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites
Resource:
third-party-advisory
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:19 Feb, 2026 | 19:22
Updated At:19 Feb, 2026 | 19:22

SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.1MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.16.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CPE Matches
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.htmldisclosure@vulncheck.com
N/A
https://git.spip.net/spip/spipdisclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sitesdisclosure@vulncheck.com
N/A
Hyperlink: https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://git.spip.net/spip/spip
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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