Covered by FixVibemedium

ZXCVVAKATAWASEWASEGI0. HTTP ulutaga ni veitaqomaki: Vakayacori CSP kei na HSTS me baleta na itataqomaki ni barausa-yasana ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE1 Vakadidike ena kena vakayacori na lawatu ni veitaqomaki ni itukutuku (HSTS) kei na HTTP veitaqomaki ni veilakoyaki kaukauwa (ZXCVFIXVIBETOKEN2ZXCV) me vakalailaitaka na CSP kei na tamata-ena-lomadonu ni veivakacacani. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE2. Na vakadidike oqo e vakadikeva na itavi bibi ni ulutaga ni veitaqomaki ni HTTP, vakabibi na lawatu ni veitaqomaki ni itukutuku (HSTS) kei na HTTP ni veitaqomaki ni veilakoyaki kaukauwa (ZXCVFIXVIBETOKEN2ZXCV), ena kena taqomaki na itukutuku ni veiqaravi mai na malumalumu raraba me vaka na Kauveilatai-Vanua Script veivakacacani. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE3. ## Na itavi ni ulutaga ni veitaqomaki . ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE4. Na ulutaga ni veitaqomaki ni HTTP e vakarautaka e dua na iwalewale vakatautauvatataki me baleta na itukutuku ni veiqaravi me vakaroti ira na barausa me ra vakayacora na lawatu ni veitaqomaki vakatabakidua ena gauna ni dua na soqoni. Na ulutaga oqo e cakacaka me vaka e dua na itutu bibi ni veitaqomaki-ena-titobu, vakalailaitaka na ririko ka na sega beka ni vakataucokotaki ena logic ni kerekere duadua ga. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEGA5. ## iTuvatuva ni Veitaqomaki ni Lewena (ZXCVVAKAVUVULI) ZXCVVAKATAWASEWASEI ZXCVVAKAVUVULI6. Na lawatu ni veitaqomaki ni itukutuku (ZXCVFIXVIBETOKEN3ZXCV) e dua na tabana ni veitaqomaki ka vukea na kena kunei ka vakalailaitaki eso na mataqali veivakacacani, oka kina na volavola ni kauveilatai (ZXCVFIXVIBETOKEN2ZXCV) kei na itukutuku ni veivakacacani CSP. Ena kena vakamacalataki e dua na lawatu e vakaraitaka na ivurevure dina cava e vakatarai me vakavodoki, ZXCVFIXVIBETOKEN4ZXCV e tarova na barausa mai na kena vakayacori na volavola ca e vakacurumi mai vua e dua na dauvakacaca HSTS. Oqo e vakatabuya vakavinaka na vakayacori ni code sega ni vakadonui kevaka mada ga e dua na malumalumu ni injection e tiko ena kerekere. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE77. ## HTTP Taqomaki ni veilakoyaki kaukauwa ( ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEG8. HTTP kaukauwa ni veilakoyaki ni veitaqomaki (ZXCVFIXVIBETOKEN2ZXCV) e dua na iwalewale e rawa kina e dua na itukutuku me vakaraitaka na barausa ni dodonu me curu ga ena kena vakayagataki na HTTPS, ka sega ni HTTP CSP. Oqo e taqomaki mai na veivakacacani ni vakalailaitaki ni ivakarau kei na bisikete kamica ena kena vakadeitaki ni veitaratara kece ena maliwa ni kasitama kei na dauveiqaravi e vakacurumi HSTS. Ena gauna e ciqoma kina e dua na barausa na ulutaga oqo, ena veisautaka vakataki koya na sasaga kece e tarava me curu ki na vanua ena HTTP ki na kerekere ni HTTPS. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASE9. ## Na ibalebale ni veitaqomaki ni ulutaga e yali ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEI10 Na kerekere e sega ni vakayacora na ulutaga oqo e tiko ena dua na leqa levu cake ni veivakacacani ni client-yasana. Na sega ni dua na lawatu ni veitaqomaki ni itukutuku e rawa kina na kena vakayacori na volavola sega ni vakadonui, ka rawa ni vakavuna na veivakacacani ni soqoni, veivakacacani ni itukutuku sega ni vakadonui, se veivakacacani CSP. Vakakina, na lailai ni dua na ulutaga ni ZXCVFIXVIBETOKEN2ZXCV biuti ira na vakayagataka rawarawa ki na tamata-ena-na-lomadonu (MITM) veivakacacani, vakabibi ena gauna ni itekivu ni veitaratara, na vanua e rawa kina vua e dua na dauvakacaca me vakataotaka na veitosoyaki ka vakadodonutaka tale na vakayagataki ki na dua na vakadewa ca se sega ni vakacurumi ni ZBETOCVVIXZKEN na vanua. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEI11 ## Na sala e vakatovolei kina ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEI12 Sa okati kina oqo me vaka e dua na jeke ni vakadidike ni pasivo. CSP vakadikeva na metadata ni isau ni HTTP raraba me baleta na tiko kei na kaukauwa ni HSTS, ZXCVFIXVIBETOKEN3ZXCV, ZXCVFIXVIBETOKEN6ZXCV, y ZXCVFIXVIBETOKEN7ZXCV. E ripotetaka na yali se malumalumu na isau ka sega ni vakayagataka na probes, kei na kena vakavinakataki totolo e solia na ivakaraitaki ni ulutaga ni deploy-vakarau me baleta na app raraba kei na CDN vakarautaki. ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEI13 ## Dusimaki ni Veivakadodonutaki ZXCVVAKATAWASEWASEI ZXCVVAKATAWASEWASEI14 Me vakavinakataki na itutu ni veitaqomaki, e dodonu me vakarautaki na veiqaravi ni itukutuku me vakasuka na ulutaga oqo ena sala kece ni buli iyaya. E dua na kaukauwa ZXCVFIXVIBETOKEN6ZXCV e dodonu me vakatautauvatataki ki na gagadre ni ivurevure vakatabakidua ni kerekere, vakayagataka na veidusimaki me vaka na CSP kei na HSTS me vakaiyalayala na vanua ni vakayacori ni volavola ZXCVFIXVIBETOKEN4ZXCV. Me baleta na veitaqomaki ni veivakau, na ulutaga ni ZXCVFIXVIBETOKEN2ZXCV e dodonu me vakatarai ena dua na veidusimaki veiganiti ni ZXCVFIXVIBETOKEN3ZXCV me vakadeitaka na veitaqomaki tudei ena veisoqoni ni vakayagataki ZXCVFIXVIBETOKEN5ZXCV.

This research explores the critical role of HTTP security headers, specifically Content Security Policy (CSP) and HTTP Strict Transport Security (HSTS), in protecting web applications from common vulnerabilities like Cross-Site Scripting (XSS) and protocol downgrade attacks.

CWE-1021CWE-79CWE-319

The Role of Security Headers

HTTP security headers provide a standardized mechanism for web applications to instruct browsers to enforce specific security policies during a session [S1] [S2]. These headers act as a critical layer of defense-in-depth, mitigating risks that may not be fully addressed by application logic alone.

Content Security Policy (CSP)

Content Security Policy (CSP) is a security layer that helps detect and mitigate certain types of attacks, including Cross-Site Scripting (XSS) and data injection attacks [S1]. By defining a policy that specifies which dynamic resources are allowed to load, CSP prevents the browser from executing malicious scripts injected by an attacker [S1]. This effectively restricts the execution of unauthorized code even if an injection vulnerability exists in the application.

HTTP Strict Transport Security (HSTS)

HTTP Strict Transport Security (HSTS) is a mechanism that allows a website to inform browsers that it should only be accessed using HTTPS, rather than HTTP [S2]. This protects against protocol downgrade attacks and cookie hijacking by ensuring that all communication between the client and the server is encrypted [S2]. Once a browser receives this header, it will automatically convert all subsequent attempts to access the site via HTTP into HTTPS requests.

Security Implications of Missing Headers

Applications that fail to implement these headers are at a significantly higher risk of client-side compromise. The absence of a Content Security Policy allows for the execution of unauthorized scripts, which can lead to session hijacking, unauthorized data exfiltration, or defacement [S1]. Similarly, the lack of an HSTS header leaves users susceptible to man-in-the-middle (MITM) attacks, particularly during the initial connection phase, where an attacker can intercept traffic and redirect the user to a malicious or unencrypted version of the site [S2].

How FixVibe tests for it

FixVibe already includes this as a passive scan check. headers.security-headers inspects public HTTP response metadata for the presence and strength of Content-Security-Policy, Strict-Transport-Security, X-Frame-Options or frame-ancestors, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. It reports missing or weak values without exploit probes, and its fix prompt gives deploy-ready header examples for common app and CDN setups.

Remediation Guidance

To improve security posture, web servers must be configured to return these headers on all production routes. A robust CSP should be tailored to the application's specific resource requirements, using directives like script-src and object-src to limit script execution environments [S1]. For transport security, the Strict-Transport-Security header should be enabled with an appropriate max-age directive to ensure persistent protection across user sessions [S2].