How severe is CVE-2008-2783?

CVE-2008-2783 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-2783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2783?

CVE-2008-2783 primarily affects Horde Groupware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-2783?

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

When was CVE-2008-2783 published?

CVE-2008-2783 was published on 2008-06-19 and last updated on 2026-06-16.

CVE-2008-2783

CVE-2008-2783 is a medium-severity vulnerability in Horde Groupware 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: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Horde Groupware
Published: 2008-06-19
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Horde Groupware, Groupware Webmail Edition, and Kronolith allow remote attackers to inject arbitrary web script or HTML via the timestamp parameter to (1) week.php, (2) workweek.php, and (3) day.php; and (4) the horde parameter in the PATH_INFO to the default URI. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Frequently asked questions

What is CVE-2008-2783?: Multiple cross-site scripting (XSS) vulnerabilities in Horde Groupware, Groupware Webmail Edition, and Kronolith allow remote attackers to inject arbitrary web script or HTML via the timestamp parameter to (1) week.php, (2) workweek.php, and (3) day.php; and (4) the horde parameter in the PATH_INFO to the default URI. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
How severe is CVE-2008-2783?: CVE-2008-2783 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-2783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2783?: CVE-2008-2783 primarily affects Horde Groupware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-2783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2783 published?: CVE-2008-2783 was published on 2008-06-19 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:horde:groupware:*:*:*:*:*:*:*:*
cpe:2.3:a:horde:groupware_webmail_edition:*:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith:*:*:*:*:*:*:*:*

More vulnerabilities in Horde Groupware

CVE-2008-7219 — Critical (CVSS 10.0): Horde Kronolith H3 2.1 before 2.1.7 and 2.2 before 2.2-RC2; Nag H3 2.1 before 2.1.4 and 2.2 before 2.2-RC2; Mnemo H3…
CVE-2008-7218 — Critical (CVSS 10.0): Unspecified vulnerability in the Horde API in Horde 3.1 before 3.1.6 and 3.2 before 3.2 before 3.2-RC2; Turba H3 2.1…
CVE-2020-8518 — Critical (CVSS 9.8): Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code…
CVE-2013-6364 — High (CVSS 8.8): Horde Groupware Webmail Edition has CSRF and XSS when saving search as a virtual address book
CVE-2019-12095 — High (CVSS 8.8): Horde Trean, as used in Horde Groupware Webmail Edition through 5.2.22 and other products, allows CSRF, as demonstrated…
CVE-2019-9858 — High (CVSS 8.8): Remote code execution was discovered in Horde Groupware Webmail 5.2.22 and 5.2.17. Horde/Form/Type.php contains a…

All CVEs affecting Horde Groupware →

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