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TI-2026-83481 Aliases CVE-2026-90960GHSA-c769-pvxm-w832

Sensitive information exposure in Seraphinite Accelerator object cache

Priority LOW 30CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

The Seraphinite Accelerator plugin for WordPress through 2.29.24 exposes sensitive information (CWE-200) in its object cache. Unauthenticated attackers can read complete WordPress user records, including user_login, user_email, hashed user_pass and user_activation_key, from predictable gzip-serialized cache files under wp-content/cache/seraphinite-accelerator/. The flaw is exploitable only when the plugin's Object Cache feature is enabled, and the attacker must first trigger caching of the target user record, for example through an unauthenticated REST API request.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

The Seraphinite Accelerator plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.29.24 via the WP_Object_Cache::_getFilePath. This makes it possible for unauthenticated attackers to extract complete WordPress user records — including plaintext user_login, user_email, hashed user_pass, and user_activation_key — from predictable gzip-serialized cache files at wp-content/cache/seraphinite-accelerator/oc/g/users/g/<USER_ID>.dat.gz. This vulnerability is only exploitable when the plugin's Object Cache feature is enabled, and requires the attacker to first trigger caching of the target user record (e.g., via an unauthenticated REST API request) before retrieving the resulting cache file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00323 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
seraphinitesoftSeraphinite Acceleratorup to 2.29.24—No fix listedCNA
  • Seraphinite Accelerator Vendorseraphinitesoft Affected up to 2.29.24 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Seraphinite Accelerator.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

  1. 2026-10-31 Threatist record created from CVE-2026-90960
  2. 2026-10-31 Alias added: GHSA-c769-pvxm-w832
  3. 2026-11-06 CISA SSVC decision points changed

References

Other 9

  • TI-2026-14382 Seraphinite Accelerator <= 2.29.18 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2024-11276 Seraphinite Bulk Discounts for WooCommerce <= 2.4.6 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2026-02640 Seraphinite Accelerator <= 2.28.14 - Missing Authorization to Authenticated (Subscriber+) Log Clearing CVSS 3.1MEDIUM 4.3
  • TI-2025-05471 Seraphinite Accelerator <= 2.27.21 - Cross-Site Request Forgery to Multiple Administrative Actions CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences