CVE detail
CVE-2026-22204
wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the comment_author_email cookie. Attackers can craft a malicious cookie value that, when processed through urldecode() and passed to wp_mail() functions, enables header injection to alter email recipients or inject additional headers.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
- https://www.vulncheck.com/advisories/wpdiscuz-before-unsanitized-cookie-email-used-as-wp-mail-recipientwww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comMar 13, 2026, 7:54 PM - https://wordpress.org/plugins/wpdiscuz/#developerswordpress.org
No excerpt available.
Release Noteswordpress.orgMar 13, 2026, 7:54 PM - https://wordpress.org/plugins/wpdiscuz/wordpress.org
No excerpt available.
Release Noteswordpress.orgMar 13, 2026, 7:54 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-47219CVSS 7.5 · High
find-my-way is a framework-independent HTTP router that internally uses a Radix Tree and supports route parameters and wildcards. Versions prior to 9.7.0 are vulnerable to remotel…
- CVE-2026-56722CVSS 6.3 · Medium
Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, aAn attacker who controls the HTML input can bypass this restriction by embedding a target file path inside…
- CVE-2026-55554CVSS 2.3 · Low
Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, the validateLocalUri() method enforces chroot boundaries with a strpos() prefix check after normalizing pat…
- CVE-2026-62828CVSS 5.4 · Medium
Improper input validation in Microsoft Edge for Android allows an unauthorized attacker to perform tampering over a network.
- CVE-2026-59878CVSS 7.5 · High
Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector…
- CVE-2026-62425CVSS 5.5 · Medium
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Rock Ridge / SUSP walk in libfs…