How severe is CVE-2010-3690?

CVE-2010-3690 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-3690 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3690?

CVE-2010-3690 primarily affects Apereo Phpcas. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3690?

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

When was CVE-2010-3690 published?

CVE-2010-3690 was published on 2010-10-07 and last updated on 2026-06-16.

CVE-2010-3690

CVE-2010-3690 is a medium-severity vulnerability in Apereo Phpcas 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% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apereo Phpcas
Published: 2010-10-07
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in phpCAS before 1.1.3, when proxy mode is enabled, allow remote attackers to inject arbitrary web script or HTML via (1) a crafted Proxy Granting Ticket IOU (PGTiou) parameter to the callback function in client.php, (2) vectors involving functions that make getCallbackURL calls, or (3) vectors involving functions that make getURL calls.

Frequently asked questions

What is CVE-2010-3690?: Multiple cross-site scripting (XSS) vulnerabilities in phpCAS before 1.1.3, when proxy mode is enabled, allow remote attackers to inject arbitrary web script or HTML via (1) a crafted Proxy Granting Ticket IOU (PGTiou) parameter to the callback function in client.php, (2) vectors involving functions that make getCallbackURL calls, or (3) vectors involving functions that make getURL calls.
How severe is CVE-2010-3690?: CVE-2010-3690 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-3690 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3690?: CVE-2010-3690 primarily affects Apereo Phpcas. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3690?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3690 published?: CVE-2010-3690 was published on 2010-10-07 and last updated on 2026-06-16.

References

Affected products (30)

cpe:2.3:a:apereo:phpcas:*:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.2:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.3:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.9:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.10:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.11:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.12:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.13:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.14:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.15:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.16:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.17:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.18:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.19:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.20:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.21:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.22:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.4.23:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apereo:phpcas:1.1.1:*:*:*:*:*:*:*

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