javibola JaviBola Custom Theme Test up to 2.0.5 on WordPress jbct_theme cross-site request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in javibola JaviBola Custom Theme Test up to 2.0.5 on WordPress. Affected is the function jbct_theme. Such manipulation leads to cross-site request forgery.
This vulnerability is traded as CVE-2026-8423. The attack may be launched remotely. There is no exploit available.
You should upgrade the affected component.
Details
A vulnerability was found in javibola JaviBola Custom Theme Test up to 2.0.5 on WordPress. It has been rated as problematic. Affected by this issue is the function jbct_theme. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:
The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site's active theme by modifying the jbct_theme option via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
The weakness was shared by Muhammad Nur Ibnu Hubab. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-8423 since 05/12/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
Upgrading to version 2.0.5 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 4.3
CNA Vector (Wordfence): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Cross-site request forgeryCWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: JaviBola Custom Theme Test 2.0.5
Timeline
05/12/2026 CVE reserved05/20/2026 Advisory disclosed
05/20/2026 VulDB entry created
05/20/2026 VulDB entry last update
Sources
Advisory: wordfence.comResearcher: Muhammad Nur Ibnu Hubab
Status: Confirmed
CNA: Wordfence
CVE: CVE-2026-8423 (🔒)
GCVE (CVE): GCVE-0-2026-8423
GCVE (VulDB): GCVE-100-364814
Entry
Created: 05/20/2026 08:32Changes: 05/20/2026 08:32 (67)
Complete: 🔍
Cache ID: 216::103
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