691 reputation
38
bio website erlend.oftedal.no/blog
location
age
visits member for 2 years, 6 months
seen 20 hours ago
stats profile views 25

Apr
1
comment bypass a regex filtration to perform an xss attack
If var is user controlled, that line allows arbitrary script injection. Why would you want to load a script specified by the user?
Mar
13
answered Can XSS vulnerabilities present in 3rd party js libraries be used to attack the app that uses the lib?
Jan
11
awarded  Good Answer
Jan
1
comment How can this xss challenge be solved?
As the author behind the challenge, here are the intended solutions: research.insecurelabs.org/xssmas/solutions.html
Dec
22
awarded  Nice Answer
Dec
22
awarded  Yearling
Dec
21
answered How can I explain SQL injection without technical jargon?
Nov
29
answered I need explanation on how serious these vulnerabilities are?
Oct
6
comment How does Amazon bill me wihout the CVC / CVV / CVV2?
@GdD If you read the PCI DSS requirements it clearly states you are not allowed to store CVC/CVV/CVV2 codes. See page 8 pcisecuritystandards.org/documents/pci_dss_v2.pdf
Sep
21
answered How can I prevent reflected XSS in my JSON web services?
Sep
1
comment Current best practices to prevent persistent XSS attacks
The OWASP XSS Prevention cheat sheet and OWASP Abridged XSS prevention cheat sheet are probably worth mentioning: owasp.org/index.php/… owasp.org/index.php/Abridged_XSS_Prevention_Cheat_Sheet
Aug
28
answered What is the danger of Reflected Cross Site Scripting?
Jun
19
answered Why doesn't the same origin policy block get requests what contain arguments?
Mar
6
answered For untrusted user upload sites: what should the contents of crossdomain.xml and clientaccesspolicy.xml be?
Dec
23
answered Is strip_tags() horribly unsafe?
Nov
17
comment Server wide javascript injection
Sounds to me like the php interpreter has been modified. Maybe reinstall php, but make a copy of the php binary and send it to virustotal.com first.
Nov
11
awarded  Yearling
Sep
17
comment C# Encrypting string in DES 3 CBC mode
That's why a good encryption algorithms like AES takes an IV (initialization vector). The IV has many similarities with the salt when hashing passwords. It makes sure that even though you encrypt the same text, the cipher text becomes different (as long as you use a different IV of course)
Sep
17
answered Is it possible to see if a script on a website steals session cookies?
May
25
awarded  Nice Question