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CVE-2013-5726: Tweetbot 1.3.3 for Mac, and 2.8.5 for iPad and iPhone, does not require confirmation of (1) follow or (2) favo

45
This month
MEDIUM 6.8DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2013-5726 is a medium-severity flaw (CVSS 6.8) affecting tweetbot, tweetbot, tweetbot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tweetbot 1.3.3 for Mac, and 2.8.5 for iPad and iPhone, does not require confirmation of (1) follow or (2) favorite actions, which allows remote attackers to automatically force the user to perform undesired actions, as demonstrated via the tweetbot:///follow/ URL.

Why this priority

  • Public exploit reference

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

Risk facts

CVSS score6.8 (Medium)
EPSS exploit chance1.1% (top 35%)
CISA exploited listNo
WeaknessCWE-352
Published2013-11-12
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: tapbots

Share: LinkedIn · X · Reddit

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

tapbots tweetbot DOWNGRADE
Affected: 1.3.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.3.3
1. Check installed version
apt-cache policy tweetbot || rpm -q tweetbot || tweetbot --version
2. No fixed release: DOWNGRADE to a release before 1.3.3 (Debian / Ubuntu)
apt-cache madison tweetbot sudo apt install tweetbot=<VERSION_BEFORE_1.3.3> sudo apt-mark hold tweetbot
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list tweetbot sudo dnf downgrade tweetbot-<VERSION_BEFORE_1.3.3> sudo dnf versionlock add tweetbot
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.
tapbots tweetbot DOWNGRADE
Affected: 2.8.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.8.5
1. Check installed version
apt-cache policy tweetbot || rpm -q tweetbot || tweetbot --version
2. No fixed release: DOWNGRADE to a release before 2.8.5 (Debian / Ubuntu)
apt-cache madison tweetbot sudo apt install tweetbot=<VERSION_BEFORE_2.8.5> sudo apt-mark hold tweetbot
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list tweetbot sudo dnf downgrade tweetbot-<VERSION_BEFORE_2.8.5> sudo dnf versionlock add tweetbot
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.
tapbots tweetbot DOWNGRADE
Affected: 2.8.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.8.5
1. Check installed version
apt-cache policy tweetbot || rpm -q tweetbot || tweetbot --version
2. No fixed release: DOWNGRADE to a release before 2.8.5 (Debian / Ubuntu)
apt-cache madison tweetbot sudo apt install tweetbot=<VERSION_BEFORE_2.8.5> sudo apt-mark hold tweetbot
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list tweetbot sudo dnf downgrade tweetbot-<VERSION_BEFORE_2.8.5> sudo dnf versionlock add tweetbot
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-2013-5726?

tweetbot: downgrade or apply the listed mitigation; tweetbot: downgrade or apply the listed mitigation; tweetbot: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-5726 being exploited?

CVE-2013-5726 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-2013-5726 affect?

CVE-2013-5726 affects tweetbot, tweetbot, tweetbot. Severity is medium (CVSS 6.8). Tweetbot 1.3.3 for Mac, and 2.8.5 for iPad and iPhone, does not require confirmation of (1) follow or (2) favorite actions, which allows remote attackers to automatically force the user to perform undesired actions, as demonstrated via the

How urgent is CVE-2013-5726?

Priority 45/100. Public exploit reference

References

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