The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity
Low
AC
The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required
None
PR
The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
Scope
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
Low
C
There is some impact on confidentiality, but the attacker either does not gain control of any data, or the information obtained does not have a significant impact on the system or its operations.
Integrity
Low
I
Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system.
Availability
None
A
There is no impact on the availability of the system; the attacker does not have the ability to disrupt access to or use of the system.
Below is a copy: PHProjekt (PhpSimplyGest / MyProjects, 1.3.0) - Stored XSS (Cross-Site Scripting)
# Exploit Title: PHProjekt (PhpSimplyGest / MyProjects, 1.3.0) - Stored XSS (Cross-Site Scripting)
# Date: 2022-05-05
# Exploit Author: Andrea Intilangelo
# Vendor Homepage: http://www.phprojekt.altervista.org (removed demo was at http://phprojekt.altervista.org/phpsimplygest130)
# Software Link: https://github.com/robyfofo/MyProjects (original PhpSimplyGest https://github.com/robyfofo/PhpSimplyGest now merged/renamed into MyProjects)
# Version: 1.3
# Tested on: Latest Version of Desktop Web Browsers (ATTOW: Firefox 100.0, Microsoft Edge 101.0.1210.32)
# CVE: CVE-2022-27308
Description:
A stored cross-site scripting (XSS) vulnerability in PHProjekt PhpSimplyGest v1.3.0 (and related products from same vendor, like "MyProjects") allows attacker to execute arbitrary web scripts or HTML.
Injecting persistent javascript code inside the title description (or content) while creating a project, todo, timecard, estimates, report or finding,
it will be triggered once page gets loaded.
Steps to reproduce:
Click on Projects and add or edit an existing one,
Insert the following PoC inside the Title
<<SCRIPT>alert("XSS here");//\<</SCRIPT>
Click on 'Send'.
If a user visits the website dashboard, as well as project summary page, the javascript code will be rendered.
Timeline:
2022-01-08: Vulnerability discovered.
2022-01-08: Vendor contacted.
2022-02-09: No reply, vendor contacted for 2nd time.
2022-02-18: Request for CVE reservation.
2022-04-27: Assigned CVE number 2022-27308.
2022-05-02: No reply, vendor contacted for 3rd time.
2022-05-05: Public disclosure.
PoC Screenshots:
https://imagebin.ca/v/6g5OFET1pyZB
https://imagebin.ca/v/6g6qLRC3X5ky
https://postimg.cc/qgc19rg0
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