CVE-2026-91830CWE-200information-disclosure

CVE-2026-91830

Medium · published October 16, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
6.7
In the wild
Unconfirmed
What it is

The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.7th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-10-16T11:17Z
References (1)
https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1/ · [email protected]
EPSS history
Timeline
  • 17 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 16 OCT 06:00Z
    Subscribe to Comments < 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie
    cvelistv5
  • 16 OCT 06:00Z
    Subscribe to Comments < 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie
    cvelistv5