Security Vulnerabilities
wpDiscuz before 7.6.47 contains a cross-site request forgery vulnerability in the getFollowsPage() function that allows attackers to trigger unauthorized actions without nonce validation. Attackers can craft malicious requests to enumerate follow relationships and manipulate user follow data by exploiting the missing CSRF protection in the follows page handler.
CVSS Score
4.3
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts.
CVSS Score
6.5
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains an IP spoofing vulnerability in the getIP() function that allows attackers to bypass IP-based rate limiting and ban enforcement by trusting untrusted HTTP headers. Attackers can set HTTP_CLIENT_IP or HTTP_X_FORWARDED_FOR headers to spoof their IP address and circumvent security controls.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains a cross-site request forgery vulnerability that allows attackers to delete all comments associated with an email address by crafting a malicious GET request with a valid HMAC key. Attackers can embed the deletecomments action URL in image tags or other resources to trigger permanent deletion of comments without user confirmation or POST-based CSRF protection.
CVSS Score
8.1
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains an information disclosure vulnerability that allows administrators to inadvertently expose OAuth secrets by exporting plugin options as JSON. Attackers can obtain exported files containing plaintext API secrets like fbAppSecret, googleClientSecret, twitterAppSecret, and other social login credentials from support tickets, backups, or version control repositories.
CVSS Score
4.9
EPSS Score
0.0
Published
2026-03-13
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.
CVSS Score
3.7
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by importing a crafted options file with unescaped customCss field values. Attackers can supply a malicious JSON import file containing script payloads in the customCss parameter that execute on every page when rendered through the options handler without proper sanitization.
CVSS Score
6.1
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains an SQL injection vulnerability in the getAllSubscriptions() function where string parameters lack proper quote escaping in SQL queries. Attackers can inject malicious SQL code through email, activation_key, subscription_date, and imported_from parameters to manipulate database queries and extract sensitive information.
CVSS Score
8.1
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains a vote manipulation vulnerability that allows attackers to manipulate comment votes by obtaining fresh nonces and bypassing rate limiting through client-controlled headers. Attackers can vary User-Agent headers to reset rate limits, request nonces from the unauthenticated wpdGetNonce endpoint, and vote multiple times using IP rotation or reverse proxy header manipulation.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-03-13
wpDiscuz before 7.6.47 contains an unauthenticated denial of service vulnerability that allows anonymous users to trigger mass notification emails by exploiting the checkNotificationType() function. Attackers can repeatedly call the wpdiscuz-ajax.php endpoint with arbitrary postId and comment_id parameters to flood subscribers with notifications, as the handler lacks nonce verification, authentication checks, and rate limiting.
CVSS Score
7.5
EPSS Score
0.001
Published
2026-03-13