Jetpack Plugin 9.1 on WordPress grunion-form-view.php post_id cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Jetpack Plugin 9.1 on WordPress. Affected by this vulnerability is an unknown functionality of the file grunion-form-view.php. Such manipulation of the argument post_id leads to cross site scripting. This vulnerability is documented as CVE-2022-50958. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Jetpack Plugin 9.1 on WordPress and classified as problematic. Affected by this issue is an unknown function of the file grunion-form-view.php. The manipulation of the argument post_id 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:

WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.

The weakness was released by Milad Karimi as 50735. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2022-50958 since 01/11/2026. 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 as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:grunion-form-view.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50735). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/11/2026 CVE reserved
05/10/2026 +118 days Advisory disclosed
05/10/2026 +0 days VulDB entry created
05/10/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50735
Researcher: Milad Karimi
Status: Not defined

CVE: CVE-2022-50958 (🔒)
GCVE (CVE): GCVE-0-2022-50958
GCVE (VulDB): GCVE-100-362516
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/10/2026 16:08
Changes: 05/10/2026 16:08 (82)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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