CallbackKiller Service Widget Plugin up to 1.2 on WordPress Setting cbk_save authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in CallbackKiller Service Widget Plugin up to 1.2 on WordPress and classified as problematic. This affects the function cbk_save of the component Setting Handler. Executing a manipulation can lead to authorization.
This vulnerability appears as CVE-2026-1944. The attack may be performed from remote. There is no available exploit.
Details
A vulnerability was found in CallbackKiller Service Widget Plugin up to 1.2 on WordPress. It has been declared as problematic. This vulnerability affects the function cbk_save of the component Setting Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity. CVE summarizes:
The CallbackKiller service widget plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the cbk_save() function in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to modify the plugin's site ID settings via the 'cbk_save_v1' AJAX action.
The advisory is available at wordfence.com. This vulnerability was named CVE-2026-1944. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/19/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-862 / CWE-863 / CWE-285
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: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/13/2026 Advisory disclosed02/13/2026 VulDB entry created
02/19/2026 VulDB entry last update
Sources
Advisory: wordfence.comStatus: Not defined
CVE: CVE-2026-1944 (🔒)
GCVE (CVE): GCVE-0-2026-1944
GCVE (VulDB): GCVE-100-345958
Entry
Created: 02/13/2026 23:20Updated: 02/19/2026 05:26
Changes: 02/13/2026 23:20 (51), 02/14/2026 15:58 (11), 02/19/2026 05:26 (1)
Complete: 🔍
Cache ID: 216::103
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