Medium severity · published Oct 20, 2023
CVE-2023-3998
wpDiscuz <= 7.6.3 - Insecure Direct Object Reference to Post Rating Increase/Decrease
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
The wpDiscuz plugin for WordPress is vulnerable to unauthorized modification of data due to a missing authorization check on the userRate function in versions up to, and including, 7.6.3. This makes it possible for unauthenticated attackers to increase or decrease the rating of a post.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CW
Comments – wpDiscuz · advancedcoding
through 7.6.3 · source: vendor
WP
Wpdiscuz · Gvectors
through 7.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3998
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3998
Third Party Advisory
https://plugins.trac.wordpress.org/browser/wpdiscuz/trunk/utils/class.WpdiscuzHelperAjax.php#L886
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/9d09bdab-ffab-44cc-bba2-821b21a8e343?source=cve
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