CVE-2009-2335

mediumpriority · attend · 60EPSS 0.850 · 100 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

85.0% (100th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-26

WordPress and WordPress MU before 2.8.1 exhibit different behavior for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames. NOTE: the vendor reportedly disputes the significance of this issue, indicating that the behavior exists for "user convenience."

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-16USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

auxiliary/scanner/http/wordpress_login_enumWordPress Brute Force and User Enumeration Utilityfunctional · metasploit
EDB-17702WordPress Plugin Block-Spam-By-Math-Reloaded - BypassPoC · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
wordpress wordpress< 2.8.1nvdUScpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress mu< 2.8.1nvdUScpe:2.3:a:wordpress:wordpress_mu:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-07-10modified 2026-06-16

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+341 more

references (22)

External citations — patches, advisories, analysis.

scry

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