How severe is CVE-2023-33560?

CVE-2023-33560 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-33560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33560?

CVE-2023-33560 affects Phpjabbers Time Slots Booking Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33560?

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

When was CVE-2023-33560 published?

CVE-2023-33560 was published on 2023-08-01 and last updated on 2026-06-17.

CVE-2023-33560

CVE-2023-33560 is a medium-severity vulnerability in Phpjabbers Time Slots Booking Calendar with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpjabbers Time Slots Booking Calendar
Published: 2023-08-01
Last modified: 2026-06-17

Description

There is a Cross Site Scripting (XSS) vulnerability in "cid" parameter of preview.php in PHPJabbers Time Slots Booking Calendar v3.3.

Frequently asked questions

What is CVE-2023-33560?: There is a Cross Site Scripting (XSS) vulnerability in "cid" parameter of preview.php in PHPJabbers Time Slots Booking Calendar v3.3.
How severe is CVE-2023-33560?: CVE-2023-33560 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-33560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33560?: CVE-2023-33560 affects Phpjabbers Time Slots Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33560?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33560 published?: CVE-2023-33560 was published on 2023-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:time_slots_booking_calendar:3.3:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Time Slots Booking Calendar

CVE-2023-33562 — Critical (CVSS 9.8): User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. This issue occurs during password…
CVE-2023-33561 — Critical (CVSS 9.8): Improper input validation of password parameter in PHP Jabbers Time Slots Booking Calendar v 3.3 results in insecure…
CVE-2023-48826 — High (CVSS 8.8): Time Slots Booking Calendar 4.0 is vulnerable to CSV Injection via the unique ID field of the Reservations List.
CVE-2023-33563 — High (CVSS 8.8): In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password…
CVE-2023-48833 — High (CVSS 7.5): A lack of rate limiting in pjActionAJaxSend in Time Slots Booking Calendar 4.0 allows attackers to cause resource…
CVE-2023-33564 — Medium (CVSS 6.1): There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Time Slots…

All CVEs affecting Phpjabbers Time Slots Booking Calendar →

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 →