CVE-2020-23984: Online Hotel Booking System Pro PHP Version 1.3 has Persistent Cross-site Scripting in Customer registration-f

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-23984 is a medium-severity flaw (CVSS 5.4) affecting online hotel booking system pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Online Hotel Booking System Pro PHP Version 1.3 has Persistent Cross-site Scripting in Customer registration-form all-tags.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-08-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: online hotel booking system pro project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-08-27 15:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

online hotel booking system pro project online hotel booking system pro DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy online-hotel-booking-system-pro || rpm -q online-hotel-booking-system-pro || online-hotel-booking-system-pro --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison online-hotel-booking-system-pro sudo apt install online-hotel-booking-system-pro=<VERSION_BEFORE_1.3> sudo apt-mark hold online-hotel-booking-system-pro

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list online-hotel-booking-system-pro sudo dnf downgrade online-hotel-booking-system-pro-<VERSION_BEFORE_1.3> sudo dnf versionlock add online-hotel-booking-system-pro

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-23984?

online hotel booking system pro: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-23984 being exploited?

CVE-2020-23984 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-23984 affect?

CVE-2020-23984 affects online hotel booking system pro. Severity is medium (CVSS 5.4). Online Hotel Booking System Pro PHP Version 1.3 has Persistent Cross-site Scripting in Customer registration-form all-tags.

How urgent is CVE-2020-23984?

Priority 36/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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