How severe is CVE-2012-5873?

CVE-2012-5873 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2012-5873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5873?

CVE-2012-5873 affects Arc2 Project Arc2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-5873?

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

When was CVE-2012-5873 published?

CVE-2012-5873 was published on 2023-04-26 and last updated on 2026-06-16.

CVE-2012-5873

CVE-2012-5873 is a medium-severity vulnerability in Arc2 Project Arc2 with a CVSS 3.x base score of 5.3. 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 3.x base score 5.3)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Arc2 Project Arc2
Published: 2023-04-26
Last modified: 2026-06-16

Description

ARC (aka ARC2) through 2011-12-01 allows reflected XSS via the end_point.php query parameter in an output=htmltab action.

Frequently asked questions

What is CVE-2012-5873?: ARC (aka ARC2) through 2011-12-01 allows reflected XSS via the end_point.php query parameter in an output=htmltab action.
How severe is CVE-2012-5873?: CVE-2012-5873 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2012-5873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5873?: CVE-2012-5873 affects Arc2 Project Arc2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-5873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5873 published?: CVE-2012-5873 was published on 2023-04-26 and last updated on 2026-06-16.

References

https://www.ush.it/2012/11/22/arc-v2011-12-01-multiple-vulnerabilities/

Affected products (1)

cpe:2.3:a:arc2_project:arc2:*:*:*:*:*:*:*:*

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