CVE-2026-45119

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in...

CVE-2026-45119 MyBB: ACP UTF-8 Conversion CSRF

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in...

CVE-2026-45119

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in...

Cross-site Scripting (XSS)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Security::detectXss function. An attacker can inject malicious JavaScript into page content by including an...

Duplicate Advisory: Grav: Single invalid UTF-8 byte disables every rule in Security::detectXss(), bypassing the page-content XSS safety gate

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q2j8-x8hf-63ch. This link is maintained to preserve external references. Original Description Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function...

GHSA-993V-76JG-67XR Duplicate Advisory: Grav: Single invalid UTF-8 byte disables every rule in Security::detectXss(), bypassing the page-content XSS safety gate

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q2j8-x8hf-63ch. This link is maintained to preserve external references. Original Description Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function...

CVE-2026-75834

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834

Grav CMS before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss() function (system/src/Grav/Common/Security.php). All XSS detection patterns use the PCRE /u (UTF-8) modifier, so a single invalid UTF-8 byte anywhere in page content causes preg_match() to retu...

CVE-2026-75834

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

[SECURITY] [DSA 6446-1] expat security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6446-1 [email protected] https://www.debian.org/security/ Aron Xu August 18, 2026 https://www.debian.org/security/faq -...

PT-2026-77173

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in admin/modules/tools/syste...

Debian Security Advisory 6446-1

Debian Linux Security Advisory 6446-1 - A flaw was discovered in the UTF-16 decoding support of expat, an XML parsing C library, where low surrogates were treated in the same way as high surrogates. Parsing crafted XML input may result in an out-of-bounds read and a resultant infinite loop, leadi...

CVE-2026-45119: Cross-Site Request Forgery (CSRF)

MyBB is free and open source forum software. Prior to 1.8.40, the Admin CP UTF-8 Conversion module does not validate certain requests correctly, allowing same-site attackers to alter table encoding and deny service with a specially crafted URL. The do=all control flow in...

PT-2026-76934

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.14 Description A stored cross-site scripting issue exists in the Security::detectXss function located in system/src/Grav/Common/Security.php. The XSS detection patterns utilize the PCRE /u UTF-8 modifier, which cause...

Amazon Linux 2 : docker, --advisory ALAS2DOCKER-2026-138 (ALASDOCKER-2026-138)

The version of docker installed on the remote host is prior to 25.0.16-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2DOCKER-2026-138 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has extract...

Amazon Linux 2 : containerd, --advisory ALAS2DOCKER-2026-139 (ALASDOCKER-2026-139)

The version of containerd installed on the remote host is prior to 2.1.9-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2DOCKER-2026-139 advisory. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. CVE-2026-56852 Tenable has...