CVE-2026-16942
WP Custom HTML Pages <= 0.6.2 - Author+ Stored XSS
Description
The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators.
INFO
Published Date :
Aug. 5, 2026, 7:16 a.m.
Last Modified :
Aug. 26, 2026, 4:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-16942
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the WP Custom HTML Page plugin.
- Restrict HTML posting capabilities.
- Sanitize all user-provided HTML content.
- Validate user roles for HTML posting.
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-2026-16942.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/cda6b957-2013-4707-a5b5-5ddc04be2f6a/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16942 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-2026-16942
weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16942 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16942 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 05, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added SSVC {'id': 'CVE-2026-16942', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-05T15:10:36.759107Z'} -
New CVE Received by [email protected]
Aug. 05, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Unknown', 'product': 'WP Custom HTML Page', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '0.6.2'}], 'defaultStatus': 'unknown'}] Added Description The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators. Added Reference https://wpscan.com/vulnerability/cda6b957-2013-4707-a5b5-5ddc04be2f6a/