How severe is CVE-2011-4340?

CVE-2011-4340 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2011-4340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4340?

CVE-2011-4340 affects Symphony-cms Symphony Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4340?

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

When was CVE-2011-4340 published?

CVE-2011-4340 was published on 2012-02-12 and last updated on 2026-06-16.

CVE-2011-4340

CVE-2011-4340 is a low-severity vulnerability in Symphony-cms Symphony Cms with a CVSS 2.0 base score of 3.5. 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: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Symphony-cms Symphony Cms
Published: 2012-02-12
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.2.3 and possibly other versions before 2.2.4 allow remote authenticated users with Author privileges to inject arbitrary web script or HTML via (1) the profile parameter to extensions/profiledevkit/content/content.profile.php, as demonstrated via requests to (a) the default URI, (b) about/, or (c) drafts/; or (2) the filter parameter in symphony/lib/core/class.symphony.php, as demonstrated via requests to (d) symphony/publish/comments or (e) symphony/publish/images. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-4340?: Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.2.3 and possibly other versions before 2.2.4 allow remote authenticated users with Author privileges to inject arbitrary web script or HTML via (1) the profile parameter to extensions/profiledevkit/content/content.profile.php, as demonstrated via requests to (a) the default URI, (b) about/, or (c) drafts/; or (2) the filter parameter in symphony/lib/core/class.symphony.php, as demonstrated via requests to (d) symphony/publish/comments or (e) symphony/publish/images. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-4340?: CVE-2011-4340 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2011-4340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4340?: CVE-2011-4340 affects Symphony-cms Symphony Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4340 published?: CVE-2011-4340 was published on 2012-02-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symphony-cms:symphony_cms:2.2.3:*:*:*:*:*:*:*

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