How severe is CVE-2013-2209?

CVE-2013-2209 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2013-2209?

CVE-2013-2209 affects the following packages: reviewboard (PyPI), reviewboard (PyPI). Ecosystems affected: PyPI.

How do I fix CVE-2013-2209?

Update reviewboard to 1.6.17 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2013-2209 is resolved across your whole dependency graph.

How do I detect CVE-2013-2209 in my PyPI dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for reviewboard, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2013-2209 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is CVE-2013-2209 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2013-2209, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2013-2209?

CVE-2013-2209 has an EPSS (Exploit Prediction Scoring System) score of 2.2%, placing it in the 82th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2013-2209?

CVE-2013-2209 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2013-2209 published, and has it been updated?

CVE-2013-2209 was published on May 17, 2022 and was last updated on July 7, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍

🐍 PyPI

Not in CISA KEV

MEDIUM severity

CVE-2013-2209 — reviewboard

MEDIUMFix: reviewboard/reviewboard@4aaacbb

CVE-2013-2209 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in reviewboard. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for reviewboard — see the affected versions and patch details below.

Review Board Cross-site scripting (XSS) vulnerability in the reviews dropdown

Also known asPYSEC-2026-913

Published

May 17, 2022

Updated

Jul 7, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

1 known

Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

2.2%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs82th percentile — riskier than 82% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

🐍reviewboard🐍reviewboard

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Cross-site scripting (XSS) vulnerability in the auto-complete widget in htdocs/media/rb/js/reviews.js in Review Board 1.6.x before 1.6.17 and 1.7.x before 1.7.10 allows remote attackers to inject arbitrary web script or HTML via a full name.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`reviewboard`	≥ 1.6&&< 1.6.17	1.6.17`pip install --upgrade 'reviewboard==1.6.17'`
🐍PyPI	`reviewboard`	≥ 1.7&&< 1.7.10	1.7.10`pip install --upgrade 'reviewboard==1.7.10'`

Affected Products

1 product · 32 configurations

Application

review boardreviewboard

28 versions

1.61.6.11.6.21.6.31.6.41.6.51.6.61.6.71.6.81.6.91.6.101.6.11

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross-site scripting (XSS) vulnerability in the auto-complete widget in …

github.comNVDApr 2014

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for reviewboard, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update reviewboard to 1.6.17 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2013-2209 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2013-2209 in your dependencies?

Find it across PyPI, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.1/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No Nuclei template or Metasploit module yet. 1 public proof-of-concept reference is listed on this page.

OpenSSF Scorecard

Package health score

reviewboard

3.2/10

Maintained10/10

Code-Review0/10

Branch-Protection0/10

Assessed Oct 19, 2026

Timeline

First exploit

Apr 19, 2014

Disclosed

May 17, 2022

Last updated

Jul 7, 2026

Identifiers

CVE-2013-2209

PYSEC-2026-913

References

Advisorynvd.nist.gov · CVE 2013 2209 Webgithub.com · 4aaacbb1e628a80803ba1a55703db38fccdf7dbf Webbugzilla.redhat.com · show bug.cgi Webopenwall.com Webreviewboard.org · 1.6.17 Webreviewboard.org · 1.7.10 Webreviewboard.org · review board 1617 and 1710 released Webtripwire.com · vulnerabilities its time to review your reviewboard Packagegithub.com · reviewboard

Related vulnerabilities

This CVE is medium severity; 8 of 8 other CVEs with CWE-79 are rated as high or higher (top: critical).

CVE-2026-55649CVE-2026-113787CVE-2026-44267CVE-2026-96632CVE-2026-9086CVE-2026-118246CVE-2026-118251CVE-2026-118253Browse all CWE-79

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedJul 7, 2026

CVE-2013-2209 — reviewboard

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2013-2209 in your dependencies?