CVE-2026-77787
Rank Math SEO < 1.0.277 - Author+ Term Metadata Update and Cross-Object Post Title Overwrite via updateMetaBulk
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users.
INFO
Published Date :
Sept. 2, 2026, 6:17 a.m.
Last Modified :
Sept. 3, 2026, 5:50 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Rank Math SEO plugin to version 1.0.277 or later.
- Verify user roles and capabilities.
- Review SEO metadata for unauthorized changes.
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-2026-77787.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/849a4859-e10e-49e6-9c38-265b902507b8/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-77787 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-2026-77787
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-2026-77787 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-77787 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
Sep. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N Added CWE CWE-862 Added SSVC {'id': 'CVE-2026-77787', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-02T10:34:25.439435Z'} -
New CVE Received by [email protected]
Sep. 02, 2026
Action Type Old Value New Value Added Description The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/77xxx/CVE-2026-77787.json">CVE-2026-77787</a> Added Reference https://wpscan.com/vulnerability/849a4859-e10e-49e6-9c38-265b902507b8/