CVE-2016-15035: A vulnerability was found in Doc2k RE-Chat 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2016-15035 is a low-severity flaw (CVSS 3.5) affecting re-chat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Doc2k RE-Chat 1.0. It has been classified as problematic. This affects an unknown part of the file js_on_radio-emergency.de_/re_chat.js. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The patch is named bd17d497ddd3bab4ef9c6831c747c37cc016c570. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-238155.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-08-28
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: doc2k

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

Am I affected?

Timeline

2023-08-28 04:15 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

doc2k re-chat DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy re-chat || rpm -q re-chat || re-chat --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison re-chat sudo apt install re-chat=<VERSION_BEFORE_1.0> sudo apt-mark hold re-chat

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

dnf --showduplicates list re-chat sudo dnf downgrade re-chat-<VERSION_BEFORE_1.0> sudo dnf versionlock add re-chat

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-2016-15035?

re-chat: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-15035 being exploited?

CVE-2016-15035 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-2016-15035 affect?

CVE-2016-15035 affects re-chat. Severity is low (CVSS 3.5). A vulnerability was found in Doc2k RE-Chat 1.0. It has been classified as problematic. This affects an unknown part of the file js_on_radio-emergency.de_/re_chat.js. The manipulation leads to cross site scripting. It is possible to initiate

How urgent is CVE-2016-15035?

Priority 23/100. No elevated risk signals yet.

References

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