CVE-2026-3833

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2018-25309 MyBB Recent threads 17.0 Persistent Cross-Site Scripting

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browser...

CVE-2018-25309

CVE-2018-25309 affects MyBB 17.0 Recent Threads. It is a persistent XSS in the thread subject that lets attackers inject scripts to execute in the browsers of users viewing the index page. The root cause is crafted subject lines containing script tags, enabling arbitrary JavaScript execution in a...

EUVD-2018-21830

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browser...

Certificate Impersonation

spring-security-web is vulnerable to certificate impersonation. The vulnerability is due to improper parsing of malformed X.509 certificate CN values in SubjectX500PrincipalExtractor, which can result in extracting an incorrect username and allow attackers to impersonate another user...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to improper handling of oversized Subject Alternative Name fields during certificate validation. An attacker can bypass certificate validation by crafting a certificate with an...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to improper handling of Uniform Resource Identifier URI and Service SRV Subject Alternative Names SANs in the certificate validation process. An attacker can intercept sensitive information or...

JLSEC-2026-276 Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a...

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-22747

A flaw was found in Spring Security. This vulnerability allows a remote attacker to impersonate another user. The SubjectX500PrincipalExtractor component incorrectly handles certain malformed X.509 certificate Common Name CN values, which can lead to the system reading an incorrect username. By...

CVE-2026-7013 MaxSite CMS mail_send Plugin cross site scripting

A security vulnerability has been detected in MaxSite CMS up to 109.3. Affected by this issue is some unknown functionality of the component mailsend Plugin. The manipulation of the argument fsubject/ffiles/ffrom leads to cross site scripting. The attack can be initiated remotely. The exploit has...

CLSA-2026-1776965055 Fix CVE(s): CVE-2025-32988, CVE-2025-32990

SECURITY UPDATE: heap buffer overflow in certtool template parsing - debian/patches/CVE-2025-32990.patch: use callocMAXENTRIES + 1 instead of mallocMAXENTRIES in READMULTILINE and READMULTILINETOKENIZED macros in src/certtool-cfg.c. - CVE-2025-32990 SECURITY UPDATE: double free when exporting...

CVE-2026-33733

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, the admin template management endpoints accept attacker-controlled name and scope values and pass them into template path construction without normalization or traversal filtering. As a result, an...

JLSEC-2026-176

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454...

PT-2026-34553

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, the admin template management endpoints accept attacker-controlled name and scope values and pass them into template path construction without normalization or traversal filtering. As a result, an...

EUVD-2026-23910

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the ticket subject field that allows authenticated staff members to inject malicious JavaScript by manipulating the editsubject POST parameter. Attackers can inject XSS payloads through inadequate sanitization in...

CVE-2026-23758

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the ticket subject field that allows authenticated staff members to inject malicious JavaScript by manipulating the editsubject POST parameter. Attackers can inject XSS payloads through inadequate sanitization in...

CVE-2026-23756 GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in ControllerStep.InsertSubmit and EditSubmit before being rendered by ViewStep.RenderViewSteps. An authenticated staff member can inject...

CVE-2026-23756

GFI HelpDesk

CVE-2026-23756

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in ControllerStep.InsertSubmit and EditSubmit before being rendered by ViewStep.RenderViewSteps. An authenticated staff member can inject...

CVE-2026-23756 GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in ControllerStep.InsertSubmit and EditSubmit before being rendered by ViewStep.RenderViewSteps. An authenticated staff member can inject...