specialk User Submitted Posts Plugin up to 20260110 on WordPress Shortcode usp_access cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in specialk User Submitted Posts Plugin up to 20260110 on WordPress and classified as problematic. The affected element is the function usp_access of the component Shortcode Handler. Such manipulation leads to cross site scripting.
This vulnerability is traded as CVE-2026-0913. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability, which was classified as problematic, has been found in specialk User Submitted Posts Plugin up to 20260110 on WordPress. Affected by this issue is the function usp_access of the component Shortcode Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:
The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'usp_access' shortcode in all versions up to, and including, 20260110 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
The weakness was shared by Muhammad Yudha. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-0913 since 01/13/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
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
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.9
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.4
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 scriptingCWE: CWE-79 / CWE-94 / CWE-74
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/13/2026 CVE reserved01/16/2026 Advisory disclosed
01/16/2026 VulDB entry created
01/16/2026 VulDB entry last update
Sources
Advisory: wordfence.comResearcher: Muhammad Yudha
Status: Not defined
CVE: CVE-2026-0913 (🔒)
GCVE (CVE): GCVE-0-2026-0913
GCVE (VulDB): GCVE-100-341534
Entry
Created: 01/16/2026 09:53Changes: 01/16/2026 09:53 (66)
Complete: 🔍
Cache ID: 216::103
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