CVE-2012-0287 — Cross-site scripting (XSS) vulnerability in wp-comments-post.php in WordPress 3.3.x before 3.3.1, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via the query string in a POST operation that is not properly handled by the "Duplicate comment detected" feature

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LOW

Cross-site scripting (XSS) vulnerability in wp-comments-post.php in WordPress 3.3.x before 3.3.1, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via the query string in a POST operation that is not properly handled by the "Duplicate comment detected" feature

Published Jan 6, 2012

2.6

LOW

CVSS 2.0

EPSS 2.48%

Description

Cross-site scripting (XSS) vulnerability in wp-comments-post.php in WordPress 3.3.x before 3.3.1, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via the query string in a POST operation that is not properly handled by the "Duplicate comment detected" feature.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.48% 0.02481

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02481

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.48% (0.02481)	84.01th	v5 (v2026.06.15)
Jun 15, 2026	2.63% (0.02625)	83.45th	v5 (v2026.06.15)
Mar 30, 2025	0.60% (0.00601)	66.96th	v4 (v2025.03.14)
Mar 29, 2025	10.38% (0.10375)	88.59th	v4 (v2025.03.14)
Mar 24, 2025	0.60% (0.00601)	66.99th	v4 (v2025.03.14)
Mar 23, 2025	2.70% (0.02701)	83.17th	v4 (v2025.03.14)
Mar 17, 2025	0.60% (0.00601)	67.64th	v4 (v2025.03.14)
Dec 12, 2024	0.25% (0.00247)	65.28th	v3 (v2023.03.01)
Feb 8, 2024	0.25% (0.00247)	63.77th	v3 (v2023.03.01)
Mar 7, 2023	0.25% (0.00247)	60.82th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (4)

http://oldmanlab.blogspot.com/2012/01/wordpress-33-xss-vulnerability.html
x_refsource_MISCExploit
http://www.securityfocus.com/bid/51237
vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1026542
vdb-entryx_refsource_SECTRACK
https://wordpress.org/news/2012/01/wordpress-3-3-1/
x_refsource_CONFIRMPatchVendor Advisory

Link	Providers	Tags
http://oldmanlab.blogspot.com/2012/01/wordpress-33-xss-vulnerability.html		x_refsource_MISCExploit
http://www.securityfocus.com/bid/51237		vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1026542		vdb-entryx_refsource_SECTRACK
https://wordpress.org/news/2012/01/wordpress-3-3-1/		x_refsource_CONFIRMPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 6, 2012

Updated Aug 6, 2024

Reserved Jan 3, 2012

Link CVE-2012-0287

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-0287

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-0287