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CVE-2023-48699

fastbots Eval Injection vulnerability

8.4 HighFix available

fastbots is a library for fast bot and scraper development using selenium and the Page Object Model (POM) design. Prior to version 0.1.5, an attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def __locator__(self, locator_name: str) in page.py. In order to mitigate this issue, upgrade to fastbots version 0.1.5 or above.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.74%Up 0.7 points since Nov 22, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.4

fastbots Eval Injection vulnerability

fastbots is a library for fast bot and scraper development using selenium and the Page Object Model (POM) design. Prior to version 0.1.5, an attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def __locator__(self, locator_name: str) in page.py. In order to mitigate this issue, upgrade to fastbots version 0.1.5 or above.

Record
CVE-2023-48699
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-95
Updated
2026-11-02
EUVDEUVD-2023-3043 8.4

fastbots is a library for fast bot and scraper development using selenium and the Page Object Model (POM) design. Prior to version 0.1.5, an attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def __locator__(self, locator_name: str) in page.py. In order to mitigate this issue, upgrade to fastbots version 0.1.5 or above.

Record
EUVD-2023-3043
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-vccg-f4gp-45x9 8.4

Eval Injection in fastbots

Impact

An attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def locator(self, locator_name: str) in page.py. The vulnerable code that load and execute directly from the file without validation it's:

 return eval(self._bot.locator(self._page_name, locator_name))

Patches

In order to mitigate this issue it's important to upgrade to fastbots version 0.1.5 or above.

References

Merge that fix also this issue

Record
GHSA-vccg-f4gp-45x9
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94, CWE-95
Updated
2026-11-02
NVD 8.4

fastbots is a library for fast bot and scraper development using selenium and the Page Object Model (POM) design. Prior to version 0.1.5, an attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def __locator__(self, locator_name: str) in page.py. In order to mitigate this issue, upgrade to fastbots version 0.1.5 or above.

Record
CVE-2023-48699
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-95, CWE-94
Updated
2026-11-02
OSVGHSA-vccg-f4gp-45x9 8.4

Eval Injection in fastbots

Impact

An attacker could modify the locators.ini locator file with python code that without proper validation it's executed and it could lead to rce. The vulnerability is in the function def locator(self, locator_name: str) in page.py. The vulnerable code that load and execute directly from the file without validation it's:

 return eval(self._bot.locator(self._page_name, locator_name))

Patches

In order to mitigate this issue it's important to upgrade to fastbots version 0.1.5 or above.

References

Merge that fix also this issue

Record
GHSA-vccg-f4gp-45x9
CVSS 3.1
8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94, CWE-95
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
fastbots
PyPI
before 0.1.5
0.1.5

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-48699 is a high vulnerability (CVSS 8.4) in Fastbots, published November 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. Fixed in fastbots 0.1.5.

References

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