CVE-2025-47275

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 61% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Auth0-PHP provides the PHP SDK for Auth0 Authentication and Management APIs. Starting in version 8.0.0-BETA1 and prior to version 8.14.0, session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. Certain pre-conditions are required to be vulnerable to this issue: Applications using the Auth0-PHP SDK, or the Auth0/symfony, Auth0/laravel-auth0, and Auth0/wordpress SDKs that rely on the Auth0-PHP SDK; and session storage configured with CookieStore. Upgrade Auth0/Auth0-PHP to v8.14.0 to receive a patch. As an additional precautionary measure, rotating cookie encryption keys is recommended. Note that once updated, any previous session cookies will be rejected.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

May 15, 2025

Last Modified

April 15, 2026

Advisory Details (6)

Auto-updated Aug 1, 2026
Patch available. Sources: github_commit, github_release, github.
github Patch Available

Brute Force Authentication Tags of CookieStore Sessions in Auth0 Wordpress plugin · Advisory · auth0/wordpress · GitHub

https://github.com/auth0/wordpress/security/advisories/GHSA-2f4r-34m4-3w8q
github Patch Available

Brute Force Authentication Tags of CookieStore Sessions in Auth0 Symfony SDK · Advisory · auth0/symfony · GitHub

https://github.com/auth0/symfony/security/advisories/GHSA-9wg9-93h9-j8ch
github Patch Available

Brute Force Authentication Tags of CookieStore Sessions in laravel-auth0 SDK · Advisory · auth0/laravel-auth0 · GitHub

https://github.com/auth0/laravel-auth0/security/advisories/GHSA-9fwj-9mjf-rhj3
github Patch Available

Brute Force Authentication Tags of CookieStore Sessions in Auth0-PHP SDK · Advisory · auth0/auth0-PHP · GitHub

https://github.com/auth0/auth0-PHP/security/advisories/GHSA-g98g-r7gf-2r25
github_release Patch Available

8.14.0

Patch available: auth0/auth0-PHP 8.14.0

https://github.com/auth0/auth0-PHP/releases/tag/8.14.0
github_commit Patch Available

commit 52a79480fdb2 (auth0/auth0-PHP)

Patch available: auth0/auth0-PHP 8.14.0 (contains commit 52a79480fdb2)

https://github.com/auth0/auth0-PHP/commit/52a79480fdb246f59dbc089b81a784ae049bd389

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
auth0/auth0-php8.0.0 ... 8.9.3 (36 versions)8.14.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 187 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
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  3. 2026-09-17 19:29 UTCEPSS rescore
  4. 2026-09-17 01:20 UTCOSV refresh
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  1. 2026-08-25 13:48 UTCEPSS rescore
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  14. 2026-08-12 13:50 UTCEPSS rescore
  15. 2026-08-12 13:15 UTCOSV refresh
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  31. 2026-07-27 20:25 UTCOSV refresh
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  37. 2026-07-23 02:56 UTCEG score recompute
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  74. 2026-06-29 14:06 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-47275?
CVE-2025-47275 is a critical vulnerability published on May 15, 2025. Auth0-PHP provides the PHP SDK for Auth0 Authentication and Management APIs. Starting in version 8.0.0-BETA1 and prior to version 8.14.0, session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authentication tags that can be brute forced, which may result in…
When was CVE-2025-47275 disclosed?
CVE-2025-47275 was first published in the National Vulnerability Database on May 15, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-47275 actively exploited?
CVE-2025-47275 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.9% of all scored CVEs.
What is the CVSS score of CVE-2025-47275?
CVE-2025-47275 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2025-47275?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-47275, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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