🚨 CVE-2026-63639
Valkey is a distributed key-value database. Prior to 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1, Valkey's RESTORE command accepts a malformed RDB stream payload that assigns one Pending Entry List NACK to multiple consumers during stream consumer-group deserialization, causing a use-after-free when one consumer is deleted while another still references the shared NACK and potentially allowing remote code execution. This issue is fixed in versions 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1.
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Valkey is a distributed key-value database. Prior to 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1, Valkey's RESTORE command accepts a malformed RDB stream payload that assigns one Pending Entry List NACK to multiple consumers during stream consumer-group deserialization, causing a use-after-free when one consumer is deleted while another still references the shared NACK and potentially allowing remote code execution. This issue is fixed in versions 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1.
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GitHub
fix: Reject corrupt stream RDB with shared NACK across consumers (#4073) · valkey-io/valkey@06bc776
When loading a stream consumer group from RDB, the loader assigns each
NACK's consumer pointer without checking if it was already set. A
corrupt RDB payload can list the same message ID und...
NACK's consumer pointer without checking if it was already set. A
corrupt RDB payload can list the same message ID und...
🚨 CVE-2026-66046
Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType->defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.
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Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType->defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.
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GitHub
[CVE-2026-66046] lib: Migrate `.isCdata` lookup from a linear loop to a hash table lookup by hartwork · Pull Request #1321 · l…
Everything after the next line is the original report Markdown…
Quadratic CPU Complexity in storeAtts() isCdata Attribute Default Lookup
Package: libexpat/libexpat
Tested Versions: 2.8.2 / master ...
Quadratic CPU Complexity in storeAtts() isCdata Attribute Default Lookup
Package: libexpat/libexpat
Tested Versions: 2.8.2 / master ...
🚨 CVE-2026-66621
Unauthenticated Cross Site Scripting (XSS) in Ultimate Dashboard <= 3.11.2 versions.
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Unauthenticated Cross Site Scripting (XSS) in Ultimate Dashboard <= 3.11.2 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Ultimate Dashboard Plugin
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🚨 CVE-2026-66633
Unauthenticated Cross Site Scripting (XSS) in Fluent Forms Pro Add On Pack < 6.2.12 versions.
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Unauthenticated Cross Site Scripting (XSS) in Fluent Forms Pro Add On Pack < 6.2.12 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Fluent Forms Pro Add On Pack Plugin
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🚨 CVE-2026-66634
Subscriber Insecure Direct Object References (IDOR) in Modal Survey <= 2.0.2.2.3 versions.
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Subscriber Insecure Direct Object References (IDOR) in Modal Survey <= 2.0.2.2.3 versions.
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Patchstack
Insecure Direct Object References (IDOR) in WordPress Modal Survey Plugin
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🚨 CVE-2026-66635
Unauthenticated Cross Site Request Forgery (CSRF) in Slider by 10Web <= 1.2.62 versions.
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Unauthenticated Cross Site Request Forgery (CSRF) in Slider by 10Web <= 1.2.62 versions.
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Patchstack
Cross Site Request Forgery (CSRF) in WordPress Slider by 10Web Plugin
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🚨 CVE-2026-66637
Contributor Cross Site Scripting (XSS) in Featured Video Plus <= 2.3.3 versions.
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Contributor Cross Site Scripting (XSS) in Featured Video Plus <= 2.3.3 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Featured Video Plus Plugin
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🚨 CVE-2026-66638
Contributor Cross Site Scripting (XSS) in Frontend Admin by DynamiApps <= 3.29.10 versions.
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Contributor Cross Site Scripting (XSS) in Frontend Admin by DynamiApps <= 3.29.10 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Frontend Admin by DynamiApps Plugin
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🚨 CVE-2026-66639
Contributor Cross Site Scripting (XSS) in WPZOOM Forms – Contact Form Plugin for Gutenberg <= 2.0.4 versions.
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Contributor Cross Site Scripting (XSS) in WPZOOM Forms – Contact Form Plugin for Gutenberg <= 2.0.4 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress WPZOOM Forms – Contact Form Plugin for Gutenberg Plugin
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🚨 CVE-2026-66640
Contributor Cross Site Scripting (XSS) in Login With Ajax <= 4.5.1 versions.
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Contributor Cross Site Scripting (XSS) in Login With Ajax <= 4.5.1 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Login With Ajax Plugin
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🚨 CVE-2026-66641
Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.
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Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Video Conferencing with Zoom Plugin
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🚨 CVE-2026-66643
Contributor Cross Site Scripting (XSS) in Wufoo Shortcode <= 1.55 versions.
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Contributor Cross Site Scripting (XSS) in Wufoo Shortcode <= 1.55 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Wufoo Shortcode Plugin
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🚨 CVE-2026-66644
Contributor Cross Site Scripting (XSS) in Typing Effect <= 1.3.7 versions.
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Contributor Cross Site Scripting (XSS) in Typing Effect <= 1.3.7 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Typing Effect Plugin
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🚨 CVE-2026-66645
Contributor Cross Site Scripting (XSS) in Table Of Contents Block <= 1.5.0 versions.
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Contributor Cross Site Scripting (XSS) in Table Of Contents Block <= 1.5.0 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Table Of Contents Block Plugin
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🚨 CVE-2026-66646
Contributor Cross Site Scripting (XSS) in WP Tab Widget <= 1.2.11 versions.
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Contributor Cross Site Scripting (XSS) in WP Tab Widget <= 1.2.11 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress WP Tab Widget Plugin
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🚨 CVE-2026-66651
Unauthenticated Broken Access Control in MultiVendorX <= 5.0.14 versions.
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Unauthenticated Broken Access Control in MultiVendorX <= 5.0.14 versions.
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Patchstack
Broken Access Control in WordPress MultiVendorX Plugin
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🚨 CVE-2026-66667
Unauthenticated Cross Site Scripting (XSS) in Templately <= 3.7.1 versions.
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Unauthenticated Cross Site Scripting (XSS) in Templately <= 3.7.1 versions.
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Patchstack
Cross Site Scripting (XSS) in WordPress Templately Plugin
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