How severe is CVE-2011-3856?

CVE-2011-3856 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-3856 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-2011-3856?

CVE-2011-3856 primarily affects Atastypixel Elegant Grunge. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3856?

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

When was CVE-2011-3856 published?

CVE-2011-3856 was published on 2011-09-28 and last updated on 2026-06-16.

CVE-2011-3856

CVE-2011-3856 is a medium-severity vulnerability in Atastypixel Elegant Grunge 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: Atastypixel Elegant Grunge
Published: 2011-09-28
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Elegant Grunge theme before 1.0.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Frequently asked questions

What is CVE-2011-3856?: Cross-site scripting (XSS) vulnerability in the Elegant Grunge theme before 1.0.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.
How severe is CVE-2011-3856?: CVE-2011-3856 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-3856 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-2011-3856?: CVE-2011-3856 primarily affects Atastypixel Elegant Grunge. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3856 published?: CVE-2011-3856 was published on 2011-09-28 and last updated on 2026-06-16.

References

https://sitewat.ch/en/Advisories/14

Affected products (14)

cpe:2.3:a:atastypixel:elegant_grunge:*:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.1:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.2:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.3:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:1.0:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:atastypixel:elegant_grunge:1.0.2:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

64.202.190.35 (ipv4-addr)
103.253.245.96 (ipv4-addr)
213.199.35.105 (ipv4-addr)
47.251.12.114 (ipv4-addr)
45.56.218.235 (ipv4-addr)