EUVD-2026-70570
GHSA-x6v6-8ggm-g2q9
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
XSS with scope change affecting victim sessions justifies S:C, C:L, I:L; A:N because XSS alone does not cause availability impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in BP Better Messages <= 2.15.27 versions.
AnalysisAI
Cross-site scripting in the BP Better Messages WordPress plugin (≤2.15.27) allows unauthenticated remote attackers to inject arbitrary JavaScript into pages viewed by authenticated users. The CVSS scope-change metric (S:C) indicates the injected payload can escape the plugin's execution context and affect the broader WordPress environment, enabling session hijacking, credential theft, or admin-level CSRF actions. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target WordPress site must have the BP Better Messages plugin installed and active at version 2.15.27 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.1 with AV:N/AC:L/PR:N/UI:R/S:C accurately captures the threat profile: low-complexity, network-delivered, unauthenticated injection with victim-interaction as the sole gating factor. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update BP Better Messages to a version above 2.15.27 immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, scan all WordPress installations to identify sites running BP Better Messages and their installed versions. …
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External POC / Exploit Code
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