CVE-2023-5561
WordPress Username Email Disclosure Vulnerability
Description
WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack
INFO
Published Date :
Oct. 16, 2023, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 8:42 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-5561 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-5561.
| URL | Resource |
|---|---|
| https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html | |
| https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/ | Exploit Third Party Advisory |
| https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html | |
| https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/ | Exploit Third Party Advisory |
| https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack
Python
A proof-of-concept tool for extracting email addresses from WordPress sites by abusing misfeatures in the REST API.
security wordpress
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-5561 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-5561 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html Added Reference https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/ Added Reference https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 20, 2023
Action Type Old Value New Value Added Reference WPScan https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html [No types assigned] -
CVE Modified by [email protected]
Nov. 08, 2023
Action Type Old Value New Value Changed Description The Popup Builder WordPress plugin through 4.1.15 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup). WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE WPScan CWE-200 -
Initial Analysis by [email protected]
Oct. 20, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/ No Types Assigned https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/ Exploit, Third Party Advisory Changed Reference Type https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441 No Types Assigned https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441 Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.7 up to (excluding) 4.7.27 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.8 up to (excluding) 4.8.23 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.9 up to (excluding) 4.9.24 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.0 up to (excluding) 5.0.20 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.1.17 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.2 up to (excluding) 5.2.19 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.16 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.14 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.5.13 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.6.12 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.7 up to (excluding) 5.7.10 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.8 up to (excluding) 5.8.8 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.9 up to (excluding) 5.9.8 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.0 up to (excluding) 6.0.6 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.1 up to (excluding) 6.1.4 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.3 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.3 up to (excluding) 6.3.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-5561 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-5561
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
5.86 }} 4.74%
score
0.93307
percentile