Contact Form 7 Captcha Plugin up to 0.1.8 on WordPress Shortcode Parser injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 2.34+ |
Summary
A vulnerability was found in Contact Form 7 Captcha Plugin up to 0.1.8. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Shortcode Parser. The manipulation results in injection. This vulnerability is known as CVE-2026-85117. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Contact Form 7 Captcha Plugin up to 0.1.8. Affected is some unknown processing of the component Shortcode Parser. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
The advisory is available at wpscan.com. This vulnerability is traded as CVE-2026-85117 since 09/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.
Upgrading to version 0.1.9 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (WPScan): 🔒
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: InjectionCWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
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: Contact Form 7 Captcha Plugin 0.1.9
Timeline
09/03/2026 CVE reserved09/09/2026 Advisory disclosed
09/09/2026 VulDB entry created
09/09/2026 VulDB entry last update
Sources
Advisory: wpscan.comStatus: Confirmed
CVE: CVE-2026-85117 (🔒)
GCVE (CVE): GCVE-0-2026-85117
GCVE (VulDB): GCVE-100-401610
Entry
Created: 09/09/2026 08:50Changes: 09/09/2026 08:50 (64)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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