How severe is CVE-2012-5920?

CVE-2012-5920 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-5920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5920?

CVE-2012-5920 primarily affects Google Web Toolkit. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5920?

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

When was CVE-2012-5920 published?

CVE-2012-5920 was published on 2012-11-20 and last updated on 2026-06-16.

CVE-2012-5920

CVE-2012-5920 is a medium-severity vulnerability in Google Web Toolkit 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: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Google Web Toolkit
Published: 2012-11-20
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Google Web Toolkit (GWT) 2.4 through 2.5 Final, as used in JBoss Operations Network (ON) 3.1.1 and possibly other products, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: this issue exists because of an incomplete fix for CVE-2012-4563.

Frequently asked questions

What is CVE-2012-5920?: Cross-site scripting (XSS) vulnerability in Google Web Toolkit (GWT) 2.4 through 2.5 Final, as used in JBoss Operations Network (ON) 3.1.1 and possibly other products, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: this issue exists because of an incomplete fix for CVE-2012-4563.
How severe is CVE-2012-5920?: CVE-2012-5920 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-5920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5920?: CVE-2012-5920 primarily affects Google Web Toolkit. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5920 published?: CVE-2012-5920 was published on 2012-11-20 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:google:web_toolkit:2.4:beta:*:*:*:*:*:*
cpe:2.3:a:google:web_toolkit:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:google:web_toolkit:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:google:web_toolkit:2.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:google:web_toolkit:2.5.0:rc2:*:*:*:*:*:*

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