CVE-2026-88870
WWBN AVideo LoginControl PGP Key CSRF via GET Request
Description
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerability in the LoginControl plugin PGP key endpoints that lack CSRF token validation. Attackers can craft malicious pages with image tags pointing to savePublicKey.json.php to replace a logged-in victim's PGP 2FA public key, causing lockout or enabling account takeover if the attacker knows the password.
INFO
Published Date :
Sept. 10, 2026, 2:17 p.m.
Last Modified :
Sept. 18, 2026, 6:17 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 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Add CSRF token validation to PGP key endpoints.
- Update LoginControl plugin to the latest version.
- Review and sanitize all user inputs.
- Implement secure session management.
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-2026-88870.
| URL | Resource |
|---|---|
| https://github.com/WWBN/AVideo/security/advisories/GHSA-g4x9-vh2j-h7rj | |
| https://www.vulncheck.com/advisories/wwbn-avideo-logincontrol-pgp-key-csrf-via-get-request |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-88870 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-2026-88870
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-2026-88870 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-88870 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. 18, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-88870', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-18T17:11:29.383615Z'} -
New CVE Received by [email protected]
Sep. 10, 2026
Action Type Old Value New Value Added Description WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerability in the LoginControl plugin PGP key endpoints that lack CSRF token validation. Attackers can craft malicious pages with image tags pointing to savePublicKey.json.php to replace a logged-in victim's PGP 2FA public key, causing lockout or enabling account takeover if the attacker knows the password. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L Added CWE CWE-352 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/88xxx/CVE-2026-88870.json">CVE-2026-88870</a> Added Reference https://github.com/WWBN/AVideo/security/advisories/GHSA-g4x9-vh2j-h7rj Added Reference https://www.vulncheck.com/advisories/wwbn-avideo-logincontrol-pgp-key-csrf-via-get-request