SAML SSO - Service Provider - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-147
CVSS score
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EPSS probability
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Risk score
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Published
3 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%63
Short explanation
A reflected XSS flaw exists in Drupal SAML SSO – Service Provider versions 0.0.0 through 3.2.0. An attacker can inject malicious JavaScript into pages viewed by a victim, potentially stealing session data or performing actions on behalf of the user. No confirmed patch is available, and the vulnerability’s severity has not been assigned a CVSS score.
Exploiting this flaw can give an adversary control over a victim’s browser session, enabling credential theft, session hijacking, or further malware delivery.
What should be done?
- Monitor Drupal security advisory for a future patch
- Apply vendor‑provided fixes when released
- Implement strict input validation and output encoding for all user‑controlled data
Chain of evidence and sources
Drupal SAML SSO – Service Provider 0.0.0 ile 3.2.0 arasındaki sürümler yansıtmalı cross‑site scripting (XSS) açığına sahiptir; saldırgan, kurbanın görüntülediği sayfalara keyfi JavaScript enjekte edebilir.
Resmi bir yama doğrulanmamıştır; yama durumu BİLİNMİYOR olarak belirtilmiştir, bu nedenle kuruluşların vendor duyurularını izlemeleri gerekir.
Show the technical text from the sources
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal SAML SSO - Service Provider allows Cross-Site Scripting (XSS). This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
CWE: CWE-79
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-87949 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | drupal | SAML SSO - Service Provider | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-87949 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-87949 weaknesses.
Official Sources and Advisories
Similar Vulnerabilities
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