How severe is CVE-2010-4536?

CVE-2010-4536 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-4536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4536?

CVE-2010-4536 affects Wordpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4536?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-4536 published?

CVE-2010-4536 was published on 2011-01-03 and last updated on 2026-06-16.

CVE-2010-4536

CVE-2010-4536 is a medium-severity vulnerability in Wordpress with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wordpress
Published: 2011-01-03
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in KSES, as used in WordPress before 3.0.4, allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) the & (ampersand) character, (2) the case of an attribute name, (3) a padded entity, and (4) an entity that is not in normalized form.

Frequently asked questions

What is CVE-2010-4536?: Multiple cross-site scripting (XSS) vulnerabilities in KSES, as used in WordPress before 3.0.4, allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) the & (ampersand) character, (2) the case of an attribute name, (3) a padded entity, and (4) an entity that is not in normalized form.
How severe is CVE-2010-4536?: CVE-2010-4536 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-4536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4536?: CVE-2010-4536 affects Wordpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4536?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4536 published?: CVE-2010-4536 was published on 2011-01-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

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