Skip to content
Noroxi
NVD / CVE Program· CNA mitre

CVE-2012-2403: wp-includes/formatting.php in WordPress before 3.3.2 attempts to enable clickable links inside attributes, which makes it easier for remote…

MediumCVSS 4.3 · v2.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 18/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 2.8% (FIRST EPSS); higher than 86.9% of all records.
  • Fixed version: wordpress (Debian:12) 3.3.2+dfsg-1; wordpress (Debian:6.0) 3.3.2+dfsg-1~squeeze1.

Low priority for now. Upgrade to wordpress (Debian:12) 3.3.2+dfsg-1; wordpress (Debian:6.0) 3.3.2+dfsg-1~squeeze1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

wp-includes/formatting.php in WordPress before 3.3.2 attempts to enable clickable links inside attributes, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via unspecified vectors.

Published
Apr 21, 2012
Updated
Jun 16, 2026
EPSS
2.8% · 86th percentile

Report tools

JSON

Action score

18

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.8%

Is WordPress on your site?

WP Lens reads your site's plugin, theme and WordPress versions from the outside and matches them to known vulnerabilities. Works without an account.

Follow CVE-2012-2403

Is WordPress on your site?

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits every 10 minutes on paid plans, on the hour on the free plan.

Your free account also gets you

  • CVE alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools, at most 30 a day (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for wordpress records
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

We use this product, ask for help

Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
wordpresswordpress

Using wordpress? Add it to your stack and be the first to know about CVEs like this one. (WordPress)

Watch new CVEs for wordpress

When you'll hear from us

  • when a new CVE affecting this product is published
  • when a record in your stack enters KEV or is weaponized

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits every 10 minutes on paid plans, on the hour on the free plan.

Your free account also gets you

  • CVE alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools, at most 30 a day (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every Monday

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • wordpress wordpressup to 3.3.1 inclusive
  • wordpress wordpress0.71
  • wordpress wordpress1.0
  • wordpress wordpress1.0.1
  • wordpress wordpress1.0.2
  • wordpress wordpress1.1.1
  • wordpress wordpress1.2
  • wordpress wordpress1.2.1
+12 more rows
  • wordpress wordpress1.2.2
  • wordpress wordpress1.2.3
  • wordpress wordpress1.2.4
  • wordpress wordpress1.2.5
  • wordpress wordpress1.3
  • wordpress wordpress1.3.2
  • wordpress wordpress1.3.3
  • wordpress wordpress1.5
  • wordpress wordpress1.5.1
  • wordpress wordpress1.5.1.1
  • wordpress wordpress1.5.1.2
  • wordpress wordpress1.5.1.3

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12wordpressbefore 3.3.2+dfsg-13.3.2+dfsg-1
Debian:6.0wordpressbefore 3.3.2+dfsg-1~squeeze13.3.2+dfsg-1~squeeze1

Same product

wordpress: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-87902An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the…KEV
    91Now
  • CVE-2026-63030WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code ExecutionKEV
    72This week
  • CVE-2026-119977WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code ExecutionKEV
    62This week

Published before and after this one in the same product

  • ← EarlierCVE-2012-2401Apr 21, 2012 · Plupload before 1.5.4, as used in wp-includes/js/plupload/ in WordPress before 3.3.2 and other products, enables scripting regardless of…
    21Monitor
  • ← EarlierCVE-2012-2402Apr 21, 2012 · wp-admin/plugins.php in WordPress before 3.3.2 allows remote authenticated site administrators to bypass intended access restrictions and…
    23Monitor
  • Later →CVE-2012-2404Apr 21, 2012 · wp-comments-post.php in WordPress before 3.3.2 supports offsite redirects, which makes it easier for remote attackers to conduct cross-site…
    18Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:wordpress3.3.2+dfsg-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate.

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    CVSS vector

    AV:N/AC:M/Au:N/C:N/I:P/A:N

    nvd-primary

    Root cause

    User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

    The bug in code

    The whole CWE-79 class

    A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

    Vulnerable

    ts
    commentEl.innerHTML = comment.body;

    Fixed

    ts
    commentEl.textContent = comment.body;

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    References

    Show all references (9 more)

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records