CVE-2026-4409: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in wpkube Subscribe To Comments Reloaded
The Subscribe To Comments Reloaded WordPress plugin up to version 240119 contains a vulnerability that allows unauthorized actors to access and modify comment subscription preferences. This is due to a leaked secret key and the use of a weak hash generation algorithm, enabling attackers to extract the global key from any public post page and forge authorization keys. The vulnerability has a CVSS score of 6.5, indicating medium severity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-4409 describes an information exposure vulnerability in the Subscribe To Comments Reloaded WordPress plugin by wpkube. The flaw arises from a leaked secret key combined with a weak hash generation algorithm in all versions up to 240119. This allows unauthenticated attackers to retrieve the global key from any public post page, forge authorization keys, and manipulate comment subscription preferences for arbitrary users without authorization. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). The CVSS 3.1 base score is 6.5 (medium), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and partial confidentiality and integrity impact.
Potential Impact
An attacker can extract a secret global key from any public post page and use it to forge authorization keys. This enables unauthorized modification of comment subscription preferences for arbitrary users, potentially leading to privacy violations or manipulation of user settings. There is no indication of impact on system availability. No known exploits have been reported in the wild.
Mitigation Recommendations
No official patch or remediation is currently available for this vulnerability. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, users should consider disabling the plugin or restricting access to public post pages if possible to reduce exposure.
CVE-2026-4409: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in wpkube Subscribe To Comments Reloaded
Description
The Subscribe To Comments Reloaded WordPress plugin up to version 240119 contains a vulnerability that allows unauthorized actors to access and modify comment subscription preferences. This is due to a leaked secret key and the use of a weak hash generation algorithm, enabling attackers to extract the global key from any public post page and forge authorization keys. The vulnerability has a CVSS score of 6.5, indicating medium severity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-4409 describes an information exposure vulnerability in the Subscribe To Comments Reloaded WordPress plugin by wpkube. The flaw arises from a leaked secret key combined with a weak hash generation algorithm in all versions up to 240119. This allows unauthenticated attackers to retrieve the global key from any public post page, forge authorization keys, and manipulate comment subscription preferences for arbitrary users without authorization. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). The CVSS 3.1 base score is 6.5 (medium), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and partial confidentiality and integrity impact.
Potential Impact
An attacker can extract a secret global key from any public post page and use it to forge authorization keys. This enables unauthorized modification of comment subscription preferences for arbitrary users, potentially leading to privacy violations or manipulation of user settings. There is no indication of impact on system availability. No known exploits have been reported in the wild.
Mitigation Recommendations
No official patch or remediation is currently available for this vulnerability. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, users should consider disabling the plugin or restricting access to public post pages if possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-03-18T23:02:48.429Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f95b2ccbff5d8610879567
Added to database: 5/5/2026, 2:51:24 AM
Last enriched: 5/12/2026, 6:26:02 AM
Last updated: 6/19/2026, 2:51:23 PM
Views: 55
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