How severe is CVE-2011-5287?

CVE-2011-5287 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-5287 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-5287?

CVE-2011-5287 affects Hesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-5287?

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

When was CVE-2011-5287 published?

CVE-2011-5287 was published on 2015-01-01 and last updated on 2026-06-16.

CVE-2011-5287

CVE-2011-5287 is a medium-severity vulnerability in Hesk 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% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hesk
Published: 2015-01-01
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in HESK before 2.4.1 allow remote attackers to inject arbitrary web script or HTML via the (1) hesk_settings[tmp_title] or (2) hesklang[ENCODING] parameter to inc/header.inc.php; the hesklang[attempt] parameter to (3) inc/assignment_search.inc.php, (4) inc/attachments.inc.php, (5) inc/common.inc.php, (6) inc/database.inc.php, (7) inc/prepare_ticket_search.inc.php, (8) inc/print_tickets.inc.php, (9) inc/show_admin_nav.inc.php, (10) inc/show_search_form.inc.php, or (11) inc/ticket_list.inc.php; or (12) the PATH_INFO to language/en/text.php.

Frequently asked questions

What is CVE-2011-5287?: Multiple cross-site scripting (XSS) vulnerabilities in HESK before 2.4.1 allow remote attackers to inject arbitrary web script or HTML via the (1) hesk_settings[tmp_title] or (2) hesklang[ENCODING] parameter to inc/header.inc.php; the hesklang[attempt] parameter to (3) inc/assignment_search.inc.php, (4) inc/attachments.inc.php, (5) inc/common.inc.php, (6) inc/database.inc.php, (7) inc/prepare_ticket_search.inc.php, (8) inc/print_tickets.inc.php, (9) inc/show_admin_nav.inc.php, (10) inc/show_search_form.inc.php, or (11) inc/ticket_list.inc.php; or (12) the PATH_INFO to language/en/text.php.
How severe is CVE-2011-5287?: CVE-2011-5287 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-5287 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-5287?: CVE-2011-5287 affects Hesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-5287?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-5287 published?: CVE-2011-5287 was published on 2015-01-01 and last updated on 2026-06-16.

References

https://www.htbridge.com/advisory/HTB23030

Affected products (1)

cpe:2.3:a:hesk:hesk:*:*:*:*:*:*:*:*

More vulnerabilities in Hesk

CVE-2020-13897 — Medium (CVSS 6.1): HESK before 3.1.10 allows reflected XSS.
CVE-2011-3743 — Medium (CVSS 5.0): Hesk 2.2 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the…

All CVEs affecting Hesk →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →