How severe is CVE-2022-29853?

CVE-2022-29853 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-29853 being actively exploited?

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

What products are affected by CVE-2022-29853?

CVE-2022-29853 primarily affects Open-xchange Open-xchange Appsuite. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-29853?

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

When was CVE-2022-29853 published?

CVE-2022-29853 was published on 2022-12-26 and last updated on 2026-06-17.

CVE-2022-29853

CVE-2022-29853 is a medium-severity vulnerability in Open-xchange Open-xchange Appsuite with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Open-xchange Open-xchange Appsuite
Published: 2022-12-26
Last modified: 2026-06-17

Description

OX App Suite through 8.2 allows XSS via a certain complex hierarchy that forces use of Show Entire Message for a huge HTML e-mail message.

Frequently asked questions

What is CVE-2022-29853?: OX App Suite through 8.2 allows XSS via a certain complex hierarchy that forces use of Show Entire Message for a huge HTML e-mail message.
How severe is CVE-2022-29853?: CVE-2022-29853 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-29853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29853?: CVE-2022-29853 primarily affects Open-xchange Open-xchange Appsuite. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-29853?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-29853 published?: CVE-2022-29853 was published on 2022-12-26 and last updated on 2026-06-17.

References

Affected products (45)

cpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:-:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5961:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5973:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5976:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5982:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5989:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5994:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6000:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6003:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6008:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6010:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6016:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6020:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6026:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6029:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6034:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6035:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6038:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6046:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6051:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6053:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6060:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6061:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6066:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6068:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6072:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6079:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6084:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6092:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6101:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6111:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6120:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6132:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:-:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:patch_release_6069:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:patch_release_6073:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:patch_release_6080:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:patch_release_6085:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.6:patch_release_6093:*:*:*:*:*:*

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