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phpbb

Vendor: phpbb_group

Actively Exploited 0 CISA KEV List
PoC / Exploits 36 Code Available
Total RCEs 8 Remote Access
Total CVEs 170 Total Indexed
Avg. EPSS 3.43% Exploit Prob.
Latest CVE CVE-2026-29199 May 04

Security Vulnerability Index

Page 7 / 17
5.0 CVSS

Cross-site request forgery (CSRF) vulnerability in phpBB 2.0.19, when Link to off-site Avatar or bbcode (IMG) are enabled, allows remote attackers to perform unauthorized actions as a logged in user via a link or IMG tag in a user profile, as demonstrated using links to (1) admin/admin_users.php and (2) modcp.php.

EPSS: 2.54%
4.3 CVSS

Cross-site scripting (XSS) vulnerability in admin_smilies.php in phpBB 2.0.19 allows remote attackers to inject arbitrary web script or HTML via Javascript events such as "onmouseover" in the (1) smile_url or (2) smile_emotion parameters, which bypasses a check for "<" and ">" characters.

EPSS: 2.29%
5.0 CVSS

phpBB 2.0.19 and earlier allows remote attackers to cause a denial of service (application crash) by (1) registering many users through profile.php or (2) using search.php to search in a certain way that confuses the database.

EPSS: 5.09%
4.3 CVSS

Cross-site scripting (XSS) vulnerability in phpBB 2.0.19, when "Allowed HTML tags" is enabled, allows remote attackers to inject arbitrary web script or HTML via a permitted HTML tag with ' (single quote) characters and active attributes such as onmouseover, a variant of CVE-2005-4357.

EPSS: 1.28%
5.0 CVSS

A "missing request validation" error in phpBB 2 before 2.0.18 allows remote attackers to edit private messages of other users, probably by modifying certain parameters or other inputs.

EPSS: 1.42%
7.5 CVSS

SQL injection vulnerability in phpBB 2 before 2.0.18 allows remote attackers to execute arbitrary SQL commands via the topic type.

EPSS: 1.27%
5.0 CVSS

admin/admin_disallow.php in phpBB 2.0.18 allows remote attackers to obtain the installation path via a direct request with a non-empty setmodules parameter, which causes an invalid append_sid function call that leaks the path in an error message.

EPSS: 2.08%
2.6 CVSS

Cross-site scripting (XSS) vulnerability in phpBB 2.0.18, when "Allowed HTML tags" is enabled, allows remote attackers to inject arbitrary Javascript via a permitted HTML tag with " (quote) characters and active attributes such as onmouseover.

EPSS: 1.86%
5.0 CVSS

phpBB 2.0.18 allows remote attackers to obtain sensitive information via a large SQL query, which generates an error message that reveals SQL syntax or the full installation path.

EPSS: 1.57%
7.5 CVSS

usercp_register.php in phpBB 2.0.17 allows remote attackers to modify regular expressions and execute PHP code via the signature_bbcode_uid parameter, as demonstrated by injecting an "e" modifier into a preg_replace statement.

EPSS: 2.37%