How severe is CVE-2013-5035?

CVE-2013-5035 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2013-5035 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5035?

CVE-2013-5035 primarily affects Htmlcleaner Project Htmlcleaner. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5035?

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

When was CVE-2013-5035 published?

CVE-2013-5035 was published on 2013-09-05 and last updated on 2026-06-16.

CVE-2013-5035

CVE-2013-5035 is a medium-severity vulnerability in Htmlcleaner Project Htmlcleaner with a CVSS 2.0 base score of 4.9. 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-362.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Htmlcleaner Project Htmlcleaner
Published: 2013-09-05
Last modified: 2026-06-16

Description

Multiple race conditions in HtmlCleaner before 2.6, as used in Open-Xchange AppSuite 7.2.2 before rev13 and other products, allow remote authenticated users to read the private e-mail of other persons in opportunistic circumstances by leveraging lack of thread safety and performing a rapid series of (1) mail-sending or (2) draft-saving operations.

Frequently asked questions

What is CVE-2013-5035?: Multiple race conditions in HtmlCleaner before 2.6, as used in Open-Xchange AppSuite 7.2.2 before rev13 and other products, allow remote authenticated users to read the private e-mail of other persons in opportunistic circumstances by leveraging lack of thread safety and performing a rapid series of (1) mail-sending or (2) draft-saving operations.
How severe is CVE-2013-5035?: CVE-2013-5035 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2013-5035 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5035?: CVE-2013-5035 primarily affects Htmlcleaner Project Htmlcleaner. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5035?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5035 published?: CVE-2013-5035 was published on 2013-09-05 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:htmlcleaner_project:htmlcleaner:*:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:0.8:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:0.9:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.2:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.3:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.4:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.5:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.6:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.12:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.13:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:1.55:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:2.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:2.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:2.2:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlcleaner_project:htmlcleaner:2.4:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.2.2:*:*:*:*:*:*:*

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